Mathematics · Atoms
Calculate the velocity of an electron in the fourth orbit (n = 4) of a hydrogen atom.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14.00 × 105 m/s
- 21.09 × 106 m/s
- 35.45 × 105 m/s✓
- 42.18 × 106 m/s
Correct answer
5.45 × 105 m/s
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