Chemistry · Atomic Structure
What is the correct shell-wise electronic configuration of an atom with atomic number 20?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12, 8, 8, 2✓
- 22, 6, 8, 4
- 32, 10, 8
- 42, 8, 10
Correct answer
2, 8, 8, 2
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