Covalent Bond Chemistry Question.?

Hi I just read my textbook and there doesn't seem to be any answer for this question that I can find: 1) Why is the H^2 molecule more stable than two separate hydrogen atoms? Does this hold true for most covalent bonds? I don't get the question at all. I thought that two separate bonds were the same... show more Hi I just read my textbook and there doesn't seem to be any answer for this question that I can find:

1) Why is the H^2 molecule more stable than two separate hydrogen atoms? Does this hold true for most covalent bonds?

I don't get the question at all. I thought that two separate bonds were the same as a diatomic molecule. Please help. Thanks.
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