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What is the potential energy of an elect...

What is the potential energy of an electron present in `N-` shell of the `Be^(3+)` ion ?

A

`-3.4eV`

B

`-27.2 eV`

C

`-13.6 eV`

D

`-6.8 eV`

Text Solution

Verified by Experts

The correct Answer is:
2
Energy of `N-` shell `=(-13.6xx(4)^(2))/((4)^(2))=-13.6eV`
`:. P.E.=2xxErArr2xx-13.6=-27.2eV`
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