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When two H -atoms are coming closer, ele...

When two `H` -atoms are coming closer, electron of one atom is attracted by the nucleus of the other and vice versa. Nucleus - nucleus and `overlinee-overlinee` repulsion are also there.
a. Construct a potential energy level diagram for the molecule.
b. Indicate the 'bond length of `H-H` bond in the diagram.
c. How do you-determine radius of one `H` - atom?

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