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AP EAMCET Engineering 21 Apr 2019 Shift 1 Paper

Section: Chemistry

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Question : 121 of 160

Marks: +1, -0

The energies of an electron in first orbit of He+ and in third orbit of Li2+ in J are respectively

- 8.72 × 10−18 , - 2.18 × 10−18
- 8.72 × 10−18 , - 1.96 × 10−17
- 1.96 × 10−17 , - 2.18 × 10−18
- 8.72 × 10−17 , - 1.96 × 10−17

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