Chemistry - Atomic Structure Question with Solution | TestHub

Which of the following statements are INCORRECT ?

(I) Orbit and orbital are synonymous

(II)There are ${\mathrm{n}}^2$ orbitals in shell, all the orbitals of a given value of n constitute a single shell of an atom (III) Hydrogen and hydrogen like systems (eg. ${\mathrm{He}}^{+},{\mathrm{Li}}^{+2}$ ), principal quantum number alone determines the energy of the orbitals

(III) The principal quantum number, n , is a positive integer with values of $1,2,3,\dots$ etc.