Question

please answer this question​

Answer 1

Explanation:

As we know that,

The atomic number of an atom is equal to the number of protons in the nucleus .

Here there is 8 protons.

so,

a) Atomic number = 8

b) Mass number = 16

c) number of valence electrons = 2

d) Valency = 2

e) Non - metal

f) Oxygen