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0 votes
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in Chemistry by (122k points)
Energy of electron in the first Bohr orbit of H-ato is `-313.6` kcal `mol^(-1)`, then the energy in second Bohr orbit will be:
A. `+313.6` kcal `mol^(-1)`
B. `-78.4` kcal `mol^(-1)`
C. `-34.64` kcal `mol^(-1)`
D. `-12.5` kcal `mol^(-1)`

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