Question

electronic configuration of oxygen using subshell concept​

Answer 1

Explanation:

So we know it must have a full 1st shell and subshell, so we can write 1s2, it must have a full s subshell in its 2nd shell, so we can write 2s2, and it must have 4 more electrons in its p subshell in its 2nd shell, so we can write 2p4.

MARK AS BRAINLIST IF IT IS USEFUL

Answer 2

Explanation:

So we know it must have a full 1st shell and subshell, so we can write 1s2, it must have a full s subshell in its 2nd shell, so we can write 2s2, and it must have 4 more electrons in its p subshell in its 2nd shell, so we can write 2p4.

Answer provided by Gauthmath