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Question

Ionisation energy of He+ is 19.6×10-18 J atom-1. The energy of the first stationary state(n=1) of Li2+ is:


A

8.82×10-17 J atom-1

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B

4.41×10-16 J atom-1

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C

-4.41×10-17 J atom-1

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D

- 2.2 ×10-15J atom-1

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