D-And F-Block Elements Ques 320
Question: Which of the following general configuration of outermost shell represents chromium element
[Cr’s atomic number = 24] [CBSE PMT 1991; MP PMT 1992, 2001; RPET/PMT 1999]
Options:
A) $ d^{5}s^{1} $
B) $ d^{6}s^{0} $
C) $ d^{4}s^{2} $
D) $ d^{3}s^{2} $
Show Answer
Answer:
Correct Answer: A
Solution:
This configuration is more stable because of symmetrical distribution of e- and exchange energy.
