Chemistry · Atomic Structure
If the valence shell of an element has only one electron having the set of quantum numbers: n = 2, l = 0, m = 0, s = + 1 2 , then the element is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Hydrogen
- 2Boron
- 3Beryllium
- 4Lithium✓
Correct answer
Lithium
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