Question

The atom number of an element of x is 16 and write down the electronic configuation of x and what will the valency of x

Answer 1

2,8,6
it's valency will be 2


HOLD!!!
The above one is of low standard.
The actual configuration is this...
1S2 2S2 2P6 3S2 3P4
It's valency can be
2, 4, and even 6