TS EAMCET 4 May 2018 Shift 1 Solved Paper

Section: Chemistry

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Question : 121 of 160

Marks: +1, -0

The energy of an electron in the 3rd orbit of H-atom (in J) is approximately.

- 2.18 × 10−18
- 2.42 × 10−19
- 1.21 × 10−19
- 3.63 × 10−19

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