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The electron energy for the quantum numb...

The electron energy for the quantum number n = 2 in a hydrogen atom is
Given, m `=9.1xx10^(-31)"kg",e=1.6xx10^(-19)` C,h`=6.6xx10^(-34)"kgm"^(2)s^(-1)`

A

`-1.312xx10^(6) "J mol."^(-1)`

B

`-3.28xx10^(5) " Jmol".^(-1)`

C

`+3.28xx10^(5) " Jmol".^(-1)`

D

`+1.31xx10^(6)" Jmol".^(-1)`

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