Question

How many electrons are there in the following?

Atom X having atomic number 8

O-2 (atomic no. 8)

​

Answer 1

Answer:

Atomic number = no.of electrons = no.of protons

Therefore , Electrons are 8

Answer 2

Answer:

8

Explanation:

No.of electrons=no.of protons=atomic number(Z)

=> no.of electrons = 8