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If the first orbit of a hydrogen atom th...

If the first orbit of a hydrogen atom the total energy of the electron is `-21.76 xx 10^(-19)J`, then its electric potential energy will be:

A

`-43.52 xx 10^(-19)J`

B

`-21.76 xx 10^(-19)J`

C

`-10.88 xx 10^(-19)J`

D

`-13.6 xx 10^(-19)J`

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