Energy of electron in 2nd orbit of He+ ion : (1) 54.4 eV (2)-54.4 eV (3) -13.6 joule (4) -13.6 eV
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Answer:
i think the correct option is 2
Explanation:
Energy = -13.6Z²/n²
= -13.6 * 4/4
= -13.6 eV
Radius = 0.529 n²/Z Å
= 0.529 * 4/2
= 1.058 Å
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