Chemistry - PERIODIC TABLE Question with Solution | TestHub

ChemistryPERIODIC TABLEAtomic Size, ZeffMedium2 minQB

ChemistryMediummultiple choice

Which of the following pairs of elements, the magnitude of Zeff. remains same on outermost electron as Slater's rule :-

Answer:

C, D

Solution:

Look at elements in same group or similar electron configuration for valence electron.

K and Na → both have one valence electron in s-orbital → similar $Z_{e ff}$

Sr and Mg → both in group 2 → similar shielding for outermost electron

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

⏱ 2mℹ️ Source: QB

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