Chemistry › Atomic Structure
Atomic Structure Questions
623 questions across 10 subtopics — with step-by-step solutions.
Bohr's Atomic Model(99)
- In a hydrogen atom, if energy of an electr... | Chemistry | TestHub
- According to Bohr's theory Total energy, K... | Chemistry | TestHub
- According to Bohr's theory, the angular mo... | Chemistry | TestHub
- A gas absorbs a photon of and emits at two... | Chemistry | TestHub
- The kinetic energy of an electron in the s... | Chemistry | TestHub
- If the radius of is , then what will be th... | Chemistry | TestHub
- The Bohr orbit radius for the hydrogen ato... | Chemistry | TestHub
- Energy of an electron is given by. Wavelen... | Chemistry | TestHub
- The ionization energy of gaseous atoms is... | Chemistry | TestHub
- If and are the mass and charge of the revo... | Chemistry | TestHub
- The energy of an electron in first Bohr's... | Chemistry | TestHub
- Which of the following is the energy of a... | Chemistry | TestHub
- The radius of the second Bohr orbit for hy... | Chemistry | TestHub
- The ground state energy of a hydrogen atom... | Chemistry | TestHub
- In a homonuclear molecule, which of the fo... | Chemistry | TestHub
- Consider the Bohr's model of a one-electro... | Chemistry | TestHub
- If the photon of wavelengthstrikes an atom... | Chemistry | TestHub
- The figure below is the plot of potential... | Chemistry | TestHub
- The difference between the radii of and or... | Chemistry | TestHub
- According to Bohr's atomic theory:(A) Kine... | Chemistry | TestHub
- Given below are two statements :Statement... | Chemistry | TestHub
- Given below are two statements:Statement I... | Chemistry | TestHub
- If the radius of theBohr's orbit of hydrog... | Chemistry | TestHub
- Identify the incorrect statement from the... | Chemistry | TestHub
- The radius of the 2ndorbit ofis. The expec... | Chemistry | TestHub
- The electron in the orbit of is excited to... | Chemistry | TestHub
- The Bohr orbit radius for the hydrogen ato... | Chemistry | TestHub
- If the radius of the Bohr's orbit of hydro... | Chemistry | TestHub
- The energy of an electron in the first Boh... | Chemistry | TestHub
- The energy of one mole of photons of radia... | Chemistry | TestHub
- For , a transition takes place from the or... | Chemistry | TestHub
- If the radius of the first orbit of hydrog... | Chemistry | TestHub
- Assume that the radius of the first Bohr o... | Chemistry | TestHub
- The degeneracy of hydrogen atom that has e... | Chemistry | TestHub
- For hydrogen atom, energy of an electron i... | Chemistry | TestHub
- According to Bohr's model, the highest kin... | Chemistry | TestHub
- The energy of second orbit of hydrogen ato... | Chemistry | TestHub
- The value of Rydberg constant is . The vel... | Chemistry | TestHub
- Among the following, the correct statement... | Chemistry | TestHub
- According to Bohr's model of hydrogen atom... | Chemistry | TestHub
- The energy of an electron in first Bohr or... | Chemistry | TestHub
- For hydrogen like species, which of the fo... | Chemistry | TestHub
- Which of the following postulate of Bohr's... | Chemistry | TestHub
- Radius of the first excited state of Heliu... | Chemistry | TestHub
- Which of the following statement is incorr... | Chemistry | TestHub
- Consider the following statements about th... | Chemistry | TestHub
- If the velocity of an electron in the 1st... | Chemistry | TestHub
- Which of the following statements (regardi... | Chemistry | TestHub
- Match the and present in Column-I with the... | Chemistry | TestHub
- Consider the following statements(i) Spect... | Chemistry | TestHub
- which of the following has the correct com... | Chemistry | TestHub
- Electron present in excited state of H -at... | Chemistry | TestHub
- If \varepsilon_{0} be the permittivity of... | Chemistry | TestHub
- When electron jumps from 3^{\text {rd }} e... | Chemistry | TestHub
- Which is the correct order of the quantiti... | Chemistry | TestHub
- An electron in a hydrogen atom makes a tra... | Chemistry | TestHub
- Assertion : Average atomic mass of Boron i... | Chemistry | TestHub
- Which of the following options has the cor... | Chemistry | TestHub
- Suppose the I.P. of a hypothetical hydroge... | Chemistry | TestHub
- Which of the following options has the cor... | Chemistry | TestHub
- In hydrogen atom, two electrons move aroun... | Chemistry | TestHub
- Select the correct graph(s) for a Bohr atom - | Chemistry | TestHub
- The energy required by electrons, present... | Chemistry | TestHub
- Consider Bohr's model of the atom for atom... | Chemistry | TestHub
- The angular momentum of an electron in a B... | Chemistry | TestHub
- If \mathrm{a}_{0} be the radius of first B... | Chemistry | TestHub
- Calculate the wavelength of light required... | Chemistry | TestHub
- Select the correct statement(s): | Chemistry | TestHub
- If proton in hydrogen nucleus is replaced... | Chemistry | TestHub
- The ratio of the energy of the electron in... | Chemistry | TestHub
- Which of the following statements is wrong... | Chemistry | TestHub
- When ever a hydrogen atom emits a photon i... | Chemistry | TestHub
- A single electron species in energy level... | Chemistry | TestHub
- The number of degenerate orbitals in absen... | Chemistry | TestHub
- \mathrm{n} \rightarrow orbit no; \mathrm{z... | Chemistry | TestHub
- A gas of identical H-like atom has some at... | Chemistry | TestHub
- For an electron in a hydrogen atom, the sp... | Chemistry | TestHub
- The **magnitude** of the total energy of a... | Chemistry | TestHub
- Choose the correct relation(s) on the basi... | Chemistry | TestHub
- Match each species and orbit in Column I w... | Chemistry | TestHub
- Suppose that a sample of H-atoms gives fou... | Chemistry | TestHub
- If the value of for He-atom is 24.6 eV, th... | Chemistry | TestHub
- A hypothetical Bohr atom has potential ene... | Chemistry | TestHub
- The ionisation energy of is . The energy o... | Chemistry | TestHub
- Choose the wrong one on the basis of Bohr'... | Chemistry | TestHub
- An electron revolves in a circular orbit o... | Chemistry | TestHub
- Let us assume that de-Broglie equation is... | Chemistry | TestHub
- If the binding energy of the electron in a... | Chemistry | TestHub
- which of the following has the correct com... | Chemistry | TestHub
- \mathbf{X}^{\mathbf{a}+} and \mathbf{Y}^{\... | Chemistry | TestHub
- Which transition in Li²⁺ would have the sa... | Chemistry | TestHub
- According to Bohr's atomic model, choose t... | Chemistry | TestHub
- The I.P. of a hydrogen-like atom is 20 eV.... | Chemistry | TestHub
- Match each species and orbit in Column I w... | Chemistry | TestHub
- Find the ratio of electron revolution freq... | Chemistry | TestHub
- The orbital angular momentum of an electro... | Chemistry | TestHub
- The electron in \mathrm{Be}^{+3} ion makes... | Chemistry | TestHub
- Match each quantity of in Column I with th... | Chemistry | TestHub
- For the ion, the energy difference between... | Chemistry | TestHub
Discovery of Fundamental Particles(26)
- Given below are two statements :Statement... | Chemistry | TestHub
- If is denoted as the Bohr radius of hydrog... | Chemistry | TestHub
- Which of the following statements are corr... | Chemistry | TestHub
- The calculated spin-only magnetic moments... | Chemistry | TestHub
- For hydrogen like species, which of the fo... | Chemistry | TestHub
- According to Bohr's model of hydrogen atom... | Chemistry | TestHub
- Consider the ground state of chromium atom... | Chemistry | TestHub
- Heat treatment of muscular pain involves r... | Chemistry | TestHub
- Which of the following postulate of Bohr's... | Chemistry | TestHub
- Correct statements for an element with ato... | Chemistry | TestHub
- Which of the following is/are not correct... | Chemistry | TestHub
- For hydrogen atom, the orbital/s with lowe... | Chemistry | TestHub
- In a multielectron atom, which of the foll... | Chemistry | TestHub
- Which of the following statements are true... | Chemistry | TestHub
- Given below are two statements :Statement... | Chemistry | TestHub
- { }_{18}^{40} \mathrm{X}_{(\mathrm{A})},{... | Chemistry | TestHub
- Which of the following statement is CORRECT? | Chemistry | TestHub
- Consider the following statements. (I) Amo... | Chemistry | TestHub
- Which of the following statement is true f... | Chemistry | TestHub
- It is known that an atom contains protons,... | Chemistry | TestHub
- Match each particle in Column I with the s... | Chemistry | TestHub
- Match each species in Column I with the st... | Chemistry | TestHub
- The specific charge of a proton is . The s... | Chemistry | TestHub
- The correct order of specific charge (char... | Chemistry | TestHub
- Column IAtomic number of elementColumn II... | Chemistry | TestHub
- and are isoelectronic with . The increasin... | Chemistry | TestHub
Heisensberg's Uncertainty Principle(32)
- Uncertainity in position of a minute parti... | Chemistry | TestHub
- Uncertainty in the position of an electron... | Chemistry | TestHub
- In an atom, an electron is moving with a s... | Chemistry | TestHub
- The atomic masses ofandareand, respectivel... | Chemistry | TestHub
- The orbital angular momentum of an electro... | Chemistry | TestHub
- In an atom, an electron is moving with a s... | Chemistry | TestHub
- An accelerated electron has a speed of wit... | Chemistry | TestHub
- Calculate the wavelength (in nanometer) as... | Chemistry | TestHub
- A ball weighing is moving with a velocity... | Chemistry | TestHub
- Consider a heliumatom that absorbs a photo... | Chemistry | TestHub
- The minimum uncertainty in the speed of an... | Chemistry | TestHub
- The wavelength of an electron and a neutro... | Chemistry | TestHub
- If the uncertainty in velocity and positio... | Chemistry | TestHub
- Given below are two statementsStatement I... | Chemistry | TestHub
- A stream of electrons from a heated filame... | Chemistry | TestHub
- If the de-broglie wavelength of a particle... | Chemistry | TestHub
- Based on Heisenberg's uncertainty principl... | Chemistry | TestHub
- A photon of wavelength strikes a metal sur... | Chemistry | TestHub
- If is denoted as the Bohr radius of hydrog... | Chemistry | TestHub
- Given below are two statements : Statement... | Chemistry | TestHub
- If the position of an electron can be dete... | Chemistry | TestHub
- An atom has a mass of 0.05 kg and the unce... | Chemistry | TestHub
- Given, uncertainty in momentum of an elect... | Chemistry | TestHub
- An electron in a hydrogen atom is excited... | Chemistry | TestHub
- \alpha -particle \left({ }_{2}^{4} \mathrm... | Chemistry | TestHub
- The uncertainty in position of electron in... | Chemistry | TestHub
- Starting from uncertainity in position and... | Chemistry | TestHub
- A graph is plotted between uncertainity in... | Chemistry | TestHub
- An electron (mass = kg) has a kinetic ener... | Chemistry | TestHub
- If uncertainities in measurement of positi... | Chemistry | TestHub
- The uncertainty in the position of a parti... | Chemistry | TestHub
- The uncertainty in position of an electron... | Chemistry | TestHub
Miscellaneous/Mixed(141)
- The energy required to break one mole of b... | Chemistry | TestHub
- In an atom, two electrons revolve around t... | Chemistry | TestHub
- If in 4f the number of radial nodes and an... | Chemistry | TestHub
- The de-Broglie wavelength of an-particles... | Chemistry | TestHub
- The radius of the second Bohr orbit, in te... | Chemistry | TestHub
- What is the wavelength of light emitted wh... | Chemistry | TestHub
- What electronic transition inproduces the... | Chemistry | TestHub
- An electron beam can undergo diffraction b... | Chemistry | TestHub
- The wave number of the first emission line... | Chemistry | TestHub
- A light of wavelengthfalls on a metal surf... | Chemistry | TestHub
- The angular momentum of an electron inmovi... | Chemistry | TestHub
- Ifis the radius of first orbit of hydrogen... | Chemistry | TestHub
- An excited hydrogen atom returns to the gr... | Chemistry | TestHub
- An-paticle approaches the target nucleus o... | Chemistry | TestHub
- -rays can be generated by accelerating ele... | Chemistry | TestHub
- Ferrous ion changes to X ion on reacting w... | Chemistry | TestHub
- The figure that is not a direct manifestat... | Chemistry | TestHub
- The energy of second Bohr orbit of the hyd... | Chemistry | TestHub
- A light of wavelengthfalls on a metal surf... | Chemistry | TestHub
- Ionisation energy ofisper atom. The energy... | Chemistry | TestHub
- Given thatwhererepresents Bohr's orbit for... | Chemistry | TestHub
- Study the orbital diagrams of two atoms 'X... | Chemistry | TestHub
- If the uncertainty in the position of a pa... | Chemistry | TestHub
- For the photoelectric effect, the maximum... | Chemistry | TestHub
- A particle having a mass of 1.0 mg has a v... | Chemistry | TestHub
- Spin only magnetic momentis given by:(Atom... | Chemistry | TestHub
- If an electron of hydrogen atom moves from... | Chemistry | TestHub
- The angular momentum of electron inis foun... | Chemistry | TestHub
- Inthe sum of angular momentum, spherical n... | Chemistry | TestHub
- The radial wave equation for hydrogen atom... | Chemistry | TestHub
- If the radius of first Bohr's orbit of hyd... | Chemistry | TestHub
- The energy of an electron in Bohr's orbit... | Chemistry | TestHub
- Radial nodes present in 3s and 2p-orbitals... | Chemistry | TestHub
- An electron practically at rest, is initia... | Chemistry | TestHub
- Electronic configurations of few elements... | Chemistry | TestHub
- The wave function of atomic orbital of H l... | Chemistry | TestHub
- The characteristic X-rays wavelength is re... | Chemistry | TestHub
- for H and He are 13.6 eV and 24.6 eV respe... | Chemistry | TestHub
- The wavelength of the third line of the Ba... | Chemistry | TestHub
- The energy of an electron in the first orb... | Chemistry | TestHub
- Iffor Balmer series, what is the value of? | Chemistry | TestHub
- The electronic configuration of few elemen... | Chemistry | TestHub
- Which of the following plots of radial-pro... | Chemistry | TestHub
- Match the column I with column II and mark... | Chemistry | TestHub
- Out of the following, which is the correct... | Chemistry | TestHub
- Calculate the number of waves made by a Bo... | Chemistry | TestHub
- In a sample of excited hydrogen atoms, ele... | Chemistry | TestHub
- The first orbital of H is represented by,... | Chemistry | TestHub
- In the hydrogen atom spectrum, the emissio... | Chemistry | TestHub
- The radius of the first orbit of hydrogen... | Chemistry | TestHub
- Ifthen the correct expression to calculate... | Chemistry | TestHub
- A certain metal when irradiated by lightem... | Chemistry | TestHub
- Calculate the uncertainty in velocity if t... | Chemistry | TestHub
- In a Bohr's model of an atom, when an elec... | Chemistry | TestHub
- An element undergoes a reaction as shown :... | Chemistry | TestHub
- Which of the following graphs are correct... | Chemistry | TestHub
- Calculate the ratio of wavelength for anpa... | Chemistry | TestHub
- P is the probability of finding the 1s ele... | Chemistry | TestHub
- Number of photons having wavelengthemitted... | Chemistry | TestHub
- Which of the following curve is correct fo... | Chemistry | TestHub
- In case of photoelectric effect, slope ofv... | Chemistry | TestHub
- Match the following.(1)Energy of ground st... | Chemistry | TestHub
- The wave number of first line of Balmer se... | Chemistry | TestHub
- When a transition of electron intakes plac... | Chemistry | TestHub
- Consider the following radial distribution... | Chemistry | TestHub
- The first orbital of H is represented by:w... | Chemistry | TestHub
- Which of the following orbitals are degene... | Chemistry | TestHub
- For an electron whose positional uncertain... | Chemistry | TestHub
- For a hypothetical H-like atom, which foll... | Chemistry | TestHub
- According to Bohr's principle, which is th... | Chemistry | TestHub
- What will be the maximum value offor all u... | Chemistry | TestHub
- Consider the following ionsAtomic number:... | Chemistry | TestHub
- The kinetic energy of an electron in the s... | Chemistry | TestHub
- The vapour of Hg absorb some electrons acc... | Chemistry | TestHub
- The wave number of first emission line in... | Chemistry | TestHub
- The atomic masses of He and Ne are 4 and 2... | Chemistry | TestHub
- Find the sum of maximum number of electron... | Chemistry | TestHub
- The wave function of atomic orbital of H-l... | Chemistry | TestHub
- Bond dissociation on energy ofis. The long... | Chemistry | TestHub
- The work functionof some metal is listed b... | Chemistry | TestHub
- Ionisation energy of a hydrogen like speci... | Chemistry | TestHub
- The third line of the Balmer series in the... | Chemistry | TestHub
- What will be the sum of principal and azim... | Chemistry | TestHub
- Amongst the following statements, select t... | Chemistry | TestHub
- The energy required to break one mole ofbo... | Chemistry | TestHub
- When spectral lines are passed through mag... | Chemistry | TestHub
- Atomic number of Hydrogen like species tha... | Chemistry | TestHub
- Number of electrons havinginis | Chemistry | TestHub
- Which hydrogen like species will have same... | Chemistry | TestHub
- Radiation corresponding to the transitiont... | Chemistry | TestHub
- An electron in an atom jumps in such a way... | Chemistry | TestHub
- Select the correct plot of radial probabil... | Chemistry | TestHub
- If and be the threshold wavelength and wav... | Chemistry | TestHub
- The orbital diagram in which the Aufbau pr... | Chemistry | TestHub
- The ratio of minimum to maximum wavelength... | Chemistry | TestHub
- Which graph shows how the energy E of a ph... | Chemistry | TestHub
- The maximum probability of finding electro... | Chemistry | TestHub
- The atomic structure ofarises due to trans... | Chemistry | TestHub
- When photons of energystrike the surface o... | Chemistry | TestHub
- Inion sampleis in ground state, if photon... | Chemistry | TestHub
- A metal surface is illuminated by light of... | Chemistry | TestHub
- A source of monochromatic radiation wavele... | Chemistry | TestHub
- The number of photons emitted by a monochr... | Chemistry | TestHub
- Electromagnetic radiation of wavelengthis... | Chemistry | TestHub
- A watt bulb emits monochromatic red light... | Chemistry | TestHub
- The energy of one mole of photons of radia... | Chemistry | TestHub
- Henry Moseley studied characteristic-ray s... | Chemistry | TestHub
- It is observed that characteristic X-ray s... | Chemistry | TestHub
- Electrons in a cathode ray tube have been... | Chemistry | TestHub
- The number of incorrect statement/s about... | Chemistry | TestHub
- The incorrect postulates of the Dalton's a... | Chemistry | TestHub
- Choose the Incorrect Statement about Dalto... | Chemistry | TestHub
- The ionization energy of sodium in. If ele... | Chemistry | TestHub
- The candela is the luminous intensity, in... | Chemistry | TestHub
- A hypothetical electromagnetic wave is sho... | Chemistry | TestHub
- Given below are two statements about X-ray... | Chemistry | TestHub
- The extra stability of half-filled subshel... | Chemistry | TestHub
- A sealed gas chamber filled with \mathrm{H... | Chemistry | TestHub
- In H-like species, an electron jumps from... | Chemistry | TestHub
- Which of the following statements are corr... | Chemistry | TestHub
- Which of the following sets of cations hav... | Chemistry | TestHub
- Out of the following, which is the correct... | Chemistry | TestHub
- The radius of nucleus ( r ) is related to... | Chemistry | TestHub
- Pair of isotopes is :- | Chemistry | TestHub
- The number of protons present in the dival... | Chemistry | TestHub
- Which of the following statement(s) is/are... | Chemistry | TestHub
- In a H-like sample, electrons make transit... | Chemistry | TestHub
- Identify the incorrect statement among the... | Chemistry | TestHub
- Match the list:List - IList - II(P) No. of... | Chemistry | TestHub
- For the three graphs given below of radial... | Chemistry | TestHub
- Which of the following factors can lead to... | Chemistry | TestHub
- The ratio of specific charge ( \mathrm{e}... | Chemistry | TestHub
- Which of the following is not a pair of IS... | Chemistry | TestHub
- Identify the element which are isotones of... | Chemistry | TestHub
- Which of the following pair represents the... | Chemistry | TestHub
- The radius of nucleus (r) is related to it... | Chemistry | TestHub
- Find the shilding constant (\sigma) for th... | Chemistry | TestHub
- The number of unpaired electrons in the di... | Chemistry | TestHub
- The ratio of specific charge ( \mathrm{e}... | Chemistry | TestHub
- Which of the following sets of orbitals ha... | Chemistry | TestHub
- Which of the following is not isotopic pair | Chemistry | TestHub
Photoelectric Effect(49)
- The work function ( ) of some metals is li... | Chemistry | TestHub
- If and be threshold wavelength and wavelen... | Chemistry | TestHub
- Ejection of the photoelectron from metal i... | Chemistry | TestHub
- What is the work function of the metal if... | Chemistry | TestHub
- Which of the graphs shown below does not r... | Chemistry | TestHub
- If is the momentum of the fastest electron... | Chemistry | TestHub
- The work function of sodium metal isIf pho... | Chemistry | TestHub
- If the work function of a metal is, the ma... | Chemistry | TestHub
- The minimum energy that must be possessed... | Chemistry | TestHub
- Given below are two statements : one is la... | Chemistry | TestHub
- Values of work function for a few metals a... | Chemistry | TestHub
- A light source of 32 watt emits light of \... | Chemistry | TestHub
- In a photoelectric experiment light of dif... | Chemistry | TestHub
- Incorrect statement(s) regarding photoelec... | Chemistry | TestHub
- Calculate the number of photons emitted pe... | Chemistry | TestHub
- When photons of energy 4.25 eV strikes the... | Chemistry | TestHub
- Photochromic sunglasses, which darken when... | Chemistry | TestHub
- A photoelectric surface is illuminated suc... | Chemistry | TestHub
- Select correct statement(s) about photoele... | Chemistry | TestHub
- In the photoelectric experiment, the emiss... | Chemistry | TestHub
- A molecule absorbs a photon of wavelength... | Chemistry | TestHub
- Photoelectric emission is observed from a... | Chemistry | TestHub
- A light source of 32 watt emits light of \... | Chemistry | TestHub
- If hydrogen atom in ground state is passed... | Chemistry | TestHub
- In a photoelectric effect, a point source... | Chemistry | TestHub
- Which statements is/are correct regarding... | Chemistry | TestHub
- The stopping potential for photoelectrons... | Chemistry | TestHub
- A photon of energy 3.0 eV is absorbed by a... | Chemistry | TestHub
- In a photoelectric effect, a point source... | Chemistry | TestHub
- In a hydrogen like atom, electron jump fro... | Chemistry | TestHub
- A 100 W lamp converts 5 % of its power int... | Chemistry | TestHub
- Light of wavelength 400 nm (photon energy... | Chemistry | TestHub
- The frequency of X-rays of wavelength 0.5... | Chemistry | TestHub
- A dye absorbs a photon of wavelength \lamb... | Chemistry | TestHub
- Match each radiation in Column I with the... | Chemistry | TestHub
- In a photoelectric experiment the stopping... | Chemistry | TestHub
- When photons of energy 4.25 eV strikes the... | Chemistry | TestHub
- Consider the following statements about th... | Chemistry | TestHub
- The energy required to break one mole of B... | Chemistry | TestHub
- If the work function of a metal is 6.63 \t... | Chemistry | TestHub
- The work function of a metal is 3 eV. If E... | Chemistry | TestHub
- A molecule absorbs a photon of wavelength... | Chemistry | TestHub
- A dye absorbs a photon of wavelength \lamb... | Chemistry | TestHub
- The energy of a 500-nm photon is :- | Chemistry | TestHub
- Calculate the accumulated charge on the me... | Chemistry | TestHub
- When photons of energy 4.25 eV strikes the... | Chemistry | TestHub
- A light source emits radiation of \lambda=... | Chemistry | TestHub
- A gas of identical H-like atom has some at... | Chemistry | TestHub
- Two photons strike on two different metal... | Chemistry | TestHub
Quantum Numbers(90)
- The correct statement(s) regarding 3 p_{y}... | Chemistry | TestHub
- Match the Column -I with Column-II | Chemistry | TestHub
- For a hydrogen-like chemical species, the... | Chemistry | TestHub
- Which of the following orbital(s) have \ma... | Chemistry | TestHub
- The given orbital is . For the above orbit... | Chemistry | TestHub
- Not considering the electronic spin, the d... | Chemistry | TestHub
- If two subshells have equal value of ( \ma... | Chemistry | TestHub
- Which of the following statements are INCO... | Chemistry | TestHub
- Match the followingColumn - IColumn - II(A... | Chemistry | TestHub
- Which of the following statement is INCORR... | Chemistry | TestHub
- An element ' X ' with mass number 81 conta... | Chemistry | TestHub
- The given graph represents a comparison of... | Chemistry | TestHub
- Calculate \frac{(\mathrm{x}+\mathrm{y})}{2... | Chemistry | TestHub
- The number of orbitals & the maximum numbe... | Chemistry | TestHub
- Choose the correct set of quantum number o... | Chemistry | TestHub
- Find the sum of the value of ' m ' for all... | Chemistry | TestHub
- Match the following:List - IList - II(P) S... | Chemistry | TestHub
- Which of the following statements is/are c... | Chemistry | TestHub
- An electron in \mathrm{He}^{+} ion is in a... | Chemistry | TestHub
- The value of (\mathrm{n} \times l \times \... | Chemistry | TestHub
- Maximum number of electrons for which \mat... | Chemistry | TestHub
- Mr. Santa has to decode a number "ABCDEF",... | Chemistry | TestHub
- 3 \mathrm{p}_{\mathrm{x}} and 4 \mathrm{p}... | Chemistry | TestHub
- The orbital angular momentum of an electro... | Chemistry | TestHub
- Energy is supplied to a gaseous mixture of... | Chemistry | TestHub
- Which of the following statement is CORRECT : | Chemistry | TestHub
- Arrange the electrons represented by the f... | Chemistry | TestHub
- Given this set of quantum number for a mul... | Chemistry | TestHub
- Imagine a Universe in which four quantum n... | Chemistry | TestHub
- Select the correct energy order for follow... | Chemistry | TestHub
- Assuming that \mathrm{S}_{1} represents a... | Chemistry | TestHub
- ( \mathrm{n}+\ell ) value of the given ato... | Chemistry | TestHub
- The zero probability of finding the electr... | Chemistry | TestHub
- Select the CORRECT statement - | Chemistry | TestHub
- H-atom have infinite shells, write total n... | Chemistry | TestHub
- Which of the following combination of stat... | Chemistry | TestHub
- Select the INCORRECT statement(s) : | Chemistry | TestHub
- An electron has a spin quantum number +\fr... | Chemistry | TestHub
- Select the CORRECT statement(s) : | Chemistry | TestHub
- The maximum number of \mathrm{e}^{-} in a... | Chemistry | TestHub
- Find the sum of the value of ' m ' for all... | Chemistry | TestHub
- How many orbitals are possible that have a... | Chemistry | TestHub
- A unielectronic ion \mathrm{M}^{+\mathrm{q... | Chemistry | TestHub
- Select the CORRECT statements ? | Chemistry | TestHub
- if one electron is added into given electr... | Chemistry | TestHub
- Invalid set( s ) of quantum numbers for an... | Chemistry | TestHub
- Maximum value of \mathrm{n}+\ell+\mathrm{m... | Chemistry | TestHub
- If the wave function of electron for H -li... | Chemistry | TestHub
- Find the maximum number of electrons in Cr... | Chemistry | TestHub
- If elements were discovered in furture in... | Chemistry | TestHub
- Match the following:List - IList - II(P) S... | Chemistry | TestHub
- Which of the following option(s) is/are co... | Chemistry | TestHub
- The correct order of true and false of the... | Chemistry | TestHub
- Which of the following set of quantum numb... | Chemistry | TestHub
- No. of all subshells having n+\ell=7 is:- | Chemistry | TestHub
- Suppose an orbital of a hydrogen-like atom... | Chemistry | TestHub
- In which of the following orbitals, there... | Chemistry | TestHub
- What is minimum value of ' n ' possible fo... | Chemistry | TestHub
- Find the sum of maximum number of electron... | Chemistry | TestHub
- Which of the following orbital has x y -pl... | Chemistry | TestHub
- Which of the following statement is CORREC... | Chemistry | TestHub
- Choose the correct option for the quantum... | Chemistry | TestHub
- Which of the following statements are CORR... | Chemistry | TestHub
- Read the following statements related with... | Chemistry | TestHub
- Answer the following by appropriately matc... | Chemistry | TestHub
- Correct statement(s) among the following i... | Chemistry | TestHub
- If spin quantum number can have three poss... | Chemistry | TestHub
- Consider following set of quantum number f... | Chemistry | TestHub
- Which of the following statements is corre... | Chemistry | TestHub
- Given graphical representation is possible... | Chemistry | TestHub
- Match the following:List - IList - II(P) S... | Chemistry | TestHub
- Find the number of orbitals, which have at... | Chemistry | TestHub
- Find the maximum value of ( \mathrm{n} \ti... | Chemistry | TestHub
- The orbital angular momentum of an electro... | Chemistry | TestHub
- How many maximum number of \mathrm{e}^{-}... | Chemistry | TestHub
- Which of the following order is/are CORREC... | Chemistry | TestHub
- Choose the correct option for the quantum... | Chemistry | TestHub
- Which electronic configuration does not fo... | Chemistry | TestHub
- Which of the following statements are CORR... | Chemistry | TestHub
- Consider the following statements. (I) The... | Chemistry | TestHub
- Which of the following orbital is not poss... | Chemistry | TestHub
- Choose the correct set of quantum number o... | Chemistry | TestHub
- The atomic orbital of hydrogen like atom w... | Chemistry | TestHub
- List - I(Atomic orbitals)List - II(Propert... | Chemistry | TestHub
- Which of the following azimuthal quantum n... | Chemistry | TestHub
- Number of electrons in ground state electr... | Chemistry | TestHub
- Find the correct set of quantum numbers fo... | Chemistry | TestHub
- Which of the following pair of orbitals co... | Chemistry | TestHub
- In Palladium (Atomic no.-46), number of el... | Chemistry | TestHub
- Not considering the electronic spin, the d... | Chemistry | TestHub
Rutherford's Atomic Model(7)
- An α-particle is accelerated from rest thr... | Chemistry | TestHub
- An α-particle projected with kinetic energ... | Chemistry | TestHub
- Two particles A and B have the same charge... | Chemistry | TestHub
- A proton and an α-particle are projected t... | Chemistry | TestHub
- An α-particle is accelerated from rest thr... | Chemistry | TestHub
- With what velocity should an a-particle tr... | Chemistry | TestHub
- With what velocity should an a-particle tr... | Chemistry | TestHub
Schrödinger's Equation(67)
- The orbital angular momentum for an electr... | Chemistry | TestHub
- Match the entries in Column I with the cor... | Chemistry | TestHub
- Question:Energy of the state in units of t... | Chemistry | TestHub
- Question:The orbtial angular momentum quan... | Chemistry | TestHub
- Question:The state is | Chemistry | TestHub
- is the probability of finding theelectron... | Chemistry | TestHub
- An e has magnetic quantum number as what i... | Chemistry | TestHub
- Which of the following is an incorrect set... | Chemistry | TestHub
- The wave function, is a mathematical funct... | Chemistry | TestHub
- The wave function, is a mathematical funct... | Chemistry | TestHub
- The wave function, is a mathematical funct... | Chemistry | TestHub
- Among the following, the energy oforbital... | Chemistry | TestHub
- The ground state energy of hydrogen atom i... | Chemistry | TestHub
- The graph betweenand(radical distance) is... | Chemistry | TestHub
- Which of the following combination of stat... | Chemistry | TestHub
- Which one of the following about an electr... | Chemistry | TestHub
- The electrons are more likely to be found: | Chemistry | TestHub
- The correct statement about probability de... | Chemistry | TestHub
- The orbital having two radial as well as t... | Chemistry | TestHub
- A certain orbital hasandThe number of radi... | Chemistry | TestHub
- The plots of radial distribution functions... | Chemistry | TestHub
- A certain orbital has no angular nodes and... | Chemistry | TestHub
- The number of radial and angular nodes ino... | Chemistry | TestHub
- Which of the following is the correct plot... | Chemistry | TestHub
- Which of the following statements are corr... | Chemistry | TestHub
- Consider the following statements :(A) The... | Chemistry | TestHub
- The number of correct statements from the... | Chemistry | TestHub
- The orbital angular momentum of an electro... | Chemistry | TestHub
- The probability density plots of and orbit... | Chemistry | TestHub
- The number of atomic orbitals from the fol... | Chemistry | TestHub
- Observe the given boundary surface diagram... | Chemistry | TestHub
- The wave function of is given byAt , radia... | Chemistry | TestHub
- The number of radial node/s fororbital is: | Chemistry | TestHub
- Which of the following statements are true... | Chemistry | TestHub
- Which one of the following about an electr... | Chemistry | TestHub
- For electron in ' 2 s ' and ' 2 p ' orbita... | Chemistry | TestHub
- Correct statements for an element with ato... | Chemistry | TestHub
- Which one of the following about an electr... | Chemistry | TestHub
- Which statements are incorrect? | Chemistry | TestHub
- The 1s radial distribution determines the... | Chemistry | TestHub
- The sum of radial nodes and angular nodes... | Chemistry | TestHub
- Select the correct statements: | Chemistry | TestHub
- Match each orbital in Column I with the st... | Chemistry | TestHub
- Consider the following radial distribution... | Chemistry | TestHub
- Among the orbitals 2s, 2p, 3s, 3p, 3d, 4p,... | Chemistry | TestHub
- Calculate orbital angular momentum of high... | Chemistry | TestHub
- Match each orbital in Column I with the st... | Chemistry | TestHub
- In a multielectronic atom some of the elec... | Chemistry | TestHub
- List - IList - II(Properties)(P) \psi=\fra... | Chemistry | TestHub
- \Psi_{1 \mathrm{~s}}=\frac{1}{\sqrt{\pi}}\... | Chemistry | TestHub
- Which of the following represents correct... | Chemistry | TestHub
- List I & List II contain data on Schrondin... | Chemistry | TestHub
- Read the following statements related with... | Chemistry | TestHub
- Match the two columns shown. Identify the... | Chemistry | TestHub
- Match the option in List-II to List-I if i... | Chemistry | TestHub
- Consider an orbital of \mathrm{Li}^{2+} io... | Chemistry | TestHub
- Which of the following has the correct mat... | Chemistry | TestHub
- List - I (Subshells)List - II(Radial Wave... | Chemistry | TestHub
- \Psi=N r(6-Z r) e^{-z r / 3 a_{0}} \cos \t... | Chemistry | TestHub
- Find the average electron-nucleus distance... | Chemistry | TestHub
- Read the following statements related with... | Chemistry | TestHub
- All electrons in a hydrogen sample occupy... | Chemistry | TestHub
- For hydrogen 1s, R(r)=2(1/a_0)^{3/2}e^{-r/... | Chemistry | TestHub
- An orbital in a H -atom is associated with... | Chemistry | TestHub
- Consider an orbital of \mathrm{Li}^{2+} io... | Chemistry | TestHub
- The correct information(s) related with Sc... | Chemistry | TestHub
- (\mathrm{n}+\ell) value of the given atomi... | Chemistry | TestHub
Spectrum(77)
- In Bohr series of lines of hydrogen spectr... | Chemistry | TestHub
- The wavelength of the radiation emitted, w... | Chemistry | TestHub
- The ionization enthalpy of hydrogen atom i... | Chemistry | TestHub
- Ionisation energy of is . The energy of th... | Chemistry | TestHub
- The limiting line in Balmer series will ha... | Chemistry | TestHub
- The wave number of the first emission line... | Chemistry | TestHub
- The wave number of the limiting line in Ly... | Chemistry | TestHub
- Excited hydrogen atom emits light in the u... | Chemistry | TestHub
- Based on the equation: the wavelength of t... | Chemistry | TestHub
- The first emission line in the atomic spec... | Chemistry | TestHub
- The electron in the hydrogen atom undergoe... | Chemistry | TestHub
- If the shortest wavelength in Lyman series... | Chemistry | TestHub
- Which of the following statements is false? | Chemistry | TestHub
- For emission line of atomic hydrogen fromt... | Chemistry | TestHub
- The ratio of the shortest wavelength of tw... | Chemistry | TestHub
- Heat treatment of muscular pain involves r... | Chemistry | TestHub
- The wavelength corresponding to maximum en... | Chemistry | TestHub
- For any given series of spectral lines of... | Chemistry | TestHub
- For the Balmer series, in the spectrum ofa... | Chemistry | TestHub
- The region in the electromagnetic spectrum... | Chemistry | TestHub
- What is the maximum wavelength line in the... | Chemistry | TestHub
- The shortest wavelength ofatom in the Lyma... | Chemistry | TestHub
- The frequency of radiation emitted when th... | Chemistry | TestHub
- The longest wavelength of light that can b... | Chemistry | TestHub
- When the excited electron of aatom fromdro... | Chemistry | TestHub
- The number of following statement/s which... | Chemistry | TestHub
- If wavelength of the first line of the Pas... | Chemistry | TestHub
- Which transition in the hydrogen spectrum... | Chemistry | TestHub
- The shortest wavelength of hydrogen atom i... | Chemistry | TestHub
- Match List I with List IIChoose the correc... | Chemistry | TestHub
- Wavenumber for a radiation having waveleng... | Chemistry | TestHub
- Number of spectral lines obtained inspectr... | Chemistry | TestHub
- Heat treatment of muscular pain involves r... | Chemistry | TestHub
- Which of the following statements are corr... | Chemistry | TestHub
- Given below are two statements : Statement... | Chemistry | TestHub
- There are only two H atoms in a system; su... | Chemistry | TestHub
- An electron of a ion falls from the 3rd or... | Chemistry | TestHub
- The ratio of the minimum wavelengths of th... | Chemistry | TestHub
- In a sample of hydrogen atoms, all the ato... | Chemistry | TestHub
- Colour of which of the following is not at... | Chemistry | TestHub
- The plots of intensity of radiation versus... | Chemistry | TestHub
- For H-atom some spectral lines are observe... | Chemistry | TestHub
- The ratio of wavelength for II line of Bal... | Chemistry | TestHub
- Which should be the value of " n " for the... | Chemistry | TestHub
- For two Bohr orbits & which follow the rel... | Chemistry | TestHub
- In a hydrogen like sample two different ty... | Chemistry | TestHub
- Match the following.List - IList - II(P) \... | Chemistry | TestHub
- A hydrogen like atom in ground state absor... | Chemistry | TestHub
- Among the following transitions of an elec... | Chemistry | TestHub
- Match each transition in Column I with the... | Chemistry | TestHub
- The figure shows six emission spectral lin... | Chemistry | TestHub
- The first emission line in the H-atom spec... | Chemistry | TestHub
- In the Paschen series of the hydrogen spec... | Chemistry | TestHub
- What should be the atomic number of the un... | Chemistry | TestHub
- An electron of ion falls from the 3rd orbi... | Chemistry | TestHub
- In an electronic transition an H-atom cann... | Chemistry | TestHub
- The species and the levels , are: | Chemistry | TestHub
- The Difference in wavelength of first and... | Chemistry | TestHub
- The wavelength of the radiation emitted wh... | Chemistry | TestHub
- Find the wavelength in ångströms needed to... | Chemistry | TestHub
- Which transition emits the photon of minim... | Chemistry | TestHub
- Consider the following statements about th... | Chemistry | TestHub
- Match each transition of the hydrogen atom... | Chemistry | TestHub
- Find the number of correct statements when... | Chemistry | TestHub
- If thermometer is moved with constant velo... | Chemistry | TestHub
- The Difference in wavelength of first and... | Chemistry | TestHub
- ions are excited to the 4th energy level a... | Chemistry | TestHub
- Calculate the minimum wavelength emitted f... | Chemistry | TestHub
- The total number of spectral lines obtaine... | Chemistry | TestHub
- Match the entries in List-I for the spectr... | Chemistry | TestHub
- A sodium street light gives off yellow lig... | Chemistry | TestHub
- Hydrogen atoms are excited to the 6th ener... | Chemistry | TestHub
- If H-atoms are excited to the excited stat... | Chemistry | TestHub
- A sample of hydrogen atoms has all its ele... | Chemistry | TestHub
- If excited state of electrons (Let \mathrm... | Chemistry | TestHub
- He⁺ and Li²⁺ are initially in their third... | Chemistry | TestHub
- In \mathrm{Be}^{3+} spectrum one of the em... | Chemistry | TestHub
de-Broglie's Wave Equation(35)
- The de Broglie wavelength of a tennis ball... | Chemistry | TestHub
- Calculate the wavelength (in nanometer) as... | Chemistry | TestHub
- If the kinetic energy of an electron is in... | Chemistry | TestHub
- If the radius of first orbit of atom is ,... | Chemistry | TestHub
- The de Broglie wavelength of a car of mass... | Chemistry | TestHub
- The de-Broglie wavelength of a particle of... | Chemistry | TestHub
- At temperature, the average kinetic energy... | Chemistry | TestHub
- A stream of electrons from a heat filament... | Chemistry | TestHub
- The de-Broglie's wavelength of electron pr... | Chemistry | TestHub
- The de Broglie wavelength associated with... | Chemistry | TestHub
- If the de Broglie wavelength of the electr... | Chemistry | TestHub
- The de Broglie wavelength of an electron i... | Chemistry | TestHub
- When light of wavelength falls on a metal... | Chemistry | TestHub
- A proton and anucleus are accelerated by t... | Chemistry | TestHub
- The wavelength of electrons accelerated fr... | Chemistry | TestHub
- If the wavelength for an electron emitted... | Chemistry | TestHub
- The wavelength of an electron of kinetic e... | Chemistry | TestHub
- The de-Broglie's wavelength of an electron... | Chemistry | TestHub
- Frequency of the de-Broglie wave of electr... | Chemistry | TestHub
- According to the wave-particle duality of... | Chemistry | TestHub
- Pick the correct matching | Chemistry | TestHub
- An electron practically at rest in initial... | Chemistry | TestHub
- The wavelength of an electron in 3^{\text... | Chemistry | TestHub
- An electron moves with a speed of m/s in a... | Chemistry | TestHub
- An electron is added to an alpha particle... | Chemistry | TestHub
- The de Broglie wavelength of a cricket bal... | Chemistry | TestHub
- The atomic masses of He and Ne are 4 and 2... | Chemistry | TestHub
- The kinetic energy of a moving electron is... | Chemistry | TestHub
- Calculate minimum value of uncertainity in... | Chemistry | TestHub
- An electron is accelerated from rest, by '... | Chemistry | TestHub
- To image a virus of linear size d , throug... | Chemistry | TestHub
- Calculate de-Broglie wavelength of electro... | Chemistry | TestHub
- The graph below shows the square of the de... | Chemistry | TestHub
- Photons of 4.25 eV eject electrons from me... | Chemistry | TestHub
- The de Broglie wavelength of the electron... | Chemistry | TestHub
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