Classification Of Elements And Periodicity In Properties Ques 148

Question: The element X, Y, Z and T have the indicated electronic configurations. Starting with the innermost shell, which is the most metallic element [CPMT 1979, 93]

Options:

A) $ X=2,8,4 $

B) $ Y=2,8,8 $

C) $ Z=2,8,8,1 $

D) $ T=2,8,8,7 $

Show Answer

Answer:

Correct Answer: C

Solution:

Z = 2,8,8,1. $ \because $ it would donate $ {{e}^{-}} $ more easily.



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