Mathematics · Atomic Physics
The radius of the fifth orbit of a doubly ionized lithium atom (Li++) is approximately equal to how many picometers (10-12 m)? (Take radius of the first orbit of hydrogen atom = 0.51 Å)
- 1125 × 10-12 m
- 2425 × 10-12 m✓
- 3510 × 10-12 m
- 4250 × 10-12 m
Correct answer
425 × 10-12 m
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