Question
Question: An element has the electronic configuration\(1s^{2},2s^{2}2p^{6},3s^{2}3p^{2}\). Its valency electro...
An element has the electronic configuration1s2,2s22p6,3s23p2. Its valency electrons are
A
6
B
2
C
3
D
4
Answer
4
Explanation
Solution
An element has the electronic configuration
1s2,2s22p6,3s23p2,(Si). Its valency electrons are four.