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

Question

Ionisation energy of He⁺ is 19.6 x 10^–18 J atom^–1. The energy of the first stationary state (n = 1) of Li²⁺ is

4.41 x 10^–16 J atom^–1

-4.41 x 10^–17 J atom^–1

-2.2 x 10^–15 J atom^–1

8.82 x 10^–17 J atom^–1

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