Question

Atomic number of an element is 16 what is its valency

Answer 1

atomic number: 16

electronic config: 2, 8, 6

so valency will be 8-6=2

Answer 2

atomic no is 16

2,8,6 will be the electronic configuration.

Since it is easier gain 2 electron than to loose 6 electron, valency will be 2.