Classification Of Elements And Periodicity In Properties Ques 341
Question: The maximum valency of an element with atomic number 7 is [AFMC 2002]
Options:
A) 2
B) 5
C) 4
D) 3
Show Answer
Answer:
Correct Answer: B
Solution:
Valency is according to valence shall configuration which here is $ 1s^{2},2s^{2},2p^{3},ie.,5 $
