Classification Of Elements And Periodicity In Properties Question 191
Question: The maximum valency of an element with atomic number 7 is [AFMC 2002]
Options:
2
5
4
3
Show Answer
Answer:
Correct Answer: B
Solution:
Valency is according to valence shell configuration which here is $ 1s^{2},2s^{2},2p^{3},ie.,5 $
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