Answer
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Work Step by Step
In homonuclear diatomic molecules (e.g., O2, N2), the s MO is formed from the combination of two s atomic orbitals, while the p MOs are formed from the combination of two p atomic orbitals. There are two p MOs because there are two perpendicular p orbitals, px and py. The p MOs are degenerate because they have the same energy due to the symmetry of the p atomic orbitals.
