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Ionisation energy of He^+ is 19.6 xx 10^...

Ionisation energy of `He^+` is `19.6 xx 10^-18 J "atom"^(-1)`. The energy of the first stationary state `(n = 1)` of `Li^( 2 +)` is.

A

`4.41 x 10 ^(-16) "J atom"^(-1)`

B

`-4.41 x 10^(-17) "J atom"^(-1)`

C

`-2.2 x 10 ^(-15)"J atom"^(-1)`

D

`8.82 x 10 ^(-17)"J atom"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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