Question

answer it correctly ...................​

Answer 1

Answer:

MARK IT THE BRAINLIEST ANSWER

Explanation:

The number of hydrogen atoms that can combine with an element in a binary hydride or twice the number of oxygen atoms combining with an element in its oxide or oxides.

Answer 2

Answer:

In hydrogen atom , the electron in outer shell is 1. So to make it octet , either it should be added by 7 to get 8 , or it should be reduced by 1 to get 0 . Reducing 1 is more easier than adding 7 . Therefore 1 is the valency of hydrogen.