Question

What are some examples of antibonding orbitals?

Answer 1

Examples of antibonding orbitals are σ and π orbitals.

Here is a σ* orbital involving two s orbitals.

Here is a σ* orbital involving two p orbitals.

Here's a π*orbital involving two p orbitals.

In each case the antibonding orbital has less electron density between the nuclei. Also, it is at a higher energy level than its bonding counterpart.