s-Block ElementsHard
Question
Which is/are not correct configuration of s-block elements :
Options
A.[Ar] 3d10 4s2
B.[Ar] 3d10 4s1
C.[Ar]) 4s2
D.[Ar] 4s1
Solution
Configurations given in options (A) and (B) are of d-block elements as last electron enters in d-subshell.
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