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Old Oct 25th 2017, 06:26 PM   #1
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Bonding and antibonding orbitals in H2.

I know that there is one bonding orbital and one antibonding orbital in H2, molecular hydrogen. My question is, the two electrons occupy the bonding orbital, but is there anything in the antibonding orbital? I know that the quantum number of orbitals in molecular hydrogen must equal the number of orbitals in each atom of hydrogen, so there must be two orbitals in molecular hydrogen, one bonding and one antibonding, but if all the electrons are in the bonding orbital, what occupies the antibonding orbital? It seems to be empty to me and only a construct to satisfy the demands of quantum balancing. Could someone please answer this for me? Thanks!
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