A) \[_{21}C{{a}^{42}}\]
B) \[1{{s}^{2}},2{{s}^{2}},2{{p}^{3}}\]
C) \[1{{s}^{2}},2{{s}^{1}}\]
D) \[1{{s}^{2}},2{{s}^{2}},2{{p}^{3}}\]
Correct Answer: A
Solution :
In a group, ionic radii increases with the increas in the number of occupied shells.You need to login to perform this action.
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