Chemistry · Atomic Structure
Which of the following electronic configurations is NOT possible?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11s²
- 21s², 2s²2p⁶, 3s¹
- 31s², 2s²2p⁵
- 41s², 2s²2p⁶2d¹⁰, 3s²✓
Correct answer
1s², 2s²2p⁶2d¹⁰, 3s²
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