Chemistry - PERIODIC TABLE Question with Solution | TestHub

ChemistryPERIODIC TABLEAtomic Size, ZeffMedium2 minQB

ChemistryMediumsingle choice

Passage / Comprehension

X, Y and Z are three consecutive elements. 'X' on addition of one electron and 'Y' on addition of two electrons become isoelectronic with element 'Z'.

Select correct statement :

Options:

Answer:

Solution:

Explain question : The correct statement about $X, Y, Z$

Concept : This question is based on sequence $Y < X < Z$ Atomic number (Z)

Solution : Difference of Z in X and $Y = 1$

Difference of no. of proton in X and $Y = 1$

Difference between Z of X and $Z = 1$

Final answer : D

Stream:JEESubject:ChemistryTopic:PERIODIC TABLESubtopic:Atomic Size, Zeff

⏱ 2mℹ️ Source: QB

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