Question

How to find number of bonding and antibonding electrons?

Answer 1

Helium has two 1s electrons, therefore, if two He atoms form a bond, 4 electrons has to be placed into the molecular orbitals. Since every orbital can hold a maximum of 2 electrons, two electrons would be in the sigma orbital, and the other two would be in the sigma antiorbital.

Answer 2

Answer:

Can you please Elaborate this little more?

Explanation: