Which is the most non-metallic elements amongs the following?

Options

A. `1s^(2)2s^(2)2p^(6)3s^(1)`
B. `1s^(2)2s^(2)2p^(5)`
C. `1s^(2)2p^(6)3s^(2)`
D. `1s^(2)2s^(2)2p^(3)`

Answer

B

Explanation

It contains maximum nuber of electrons in the outermost shell.An element with more than 3 electron in outermost shell is non-metallic.