Question

Do diatomic elements valency not written like mg with valency 2

Answer 1

Answer:

Yes, they can be written like this. Ex mg2 or o2

Explanation:

We have to write like this as mostly all gases have a valency of a 2 and mg has electronic configuration of 2,8,2 hence according to its shells, we write valency 2

I hope this would help you

Answer 2

Answer:actually there are like mg2 oro2 or even N2