The principal quantum number of an atom...

The principal quantum number of an atom is related in the

A

Shape of the orbit

B

Energy associated with the orbit

C

Spin angular momentum of orbital

D

Orientation of orbital in space

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The correct Answer is:

B

Principle quantum number was given by Bohr.
It gives energy associated with orbit `=(-1312 xx Z^(2))/(n^(2)) kJ//mol`

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