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Ionisation energy of He^+ is 19.6xx10^(-...

Ionisation energy of `He^+` is `19.6xx10^(-18) J atom^(-1)` The energy of the first stationary state (n=1) of `Li^(2+)?

A

`4.41xx10^(-16) Jatom^(-1)`

B

`-4.41xx10^(-17) Jatom^(-1)`

C

`-2.2xx10^(-15) Jatom^(-1)`

D

`8.82xx10^(-17) Jatom^(-1)`

Text Solution

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The correct Answer is:
B
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