9. The elements A, B, C, D, E have electronic configurations as mentioned below A: 2,3 B: 2,8,3 C:2,8,5 D: 2,8,7 E: 2,8,8,2
Among these which elements belong to same group? a. A, B. b. A, C c. A, D d. A, E
Answers
Answered by
4
Answer:
Options A is correct
Explanation:
Hope it helps you
Answered by
2
Answer:
option A and B is your answer.
Explanation:
A:1s2 2s2 2p1
B:1s2 2s2 2p6 3s2 3p1
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