Chemistry · Structure of Atom
Which of the following configurations does not represent the ground state electronic configuration of an atom?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11s2 2s2 2p6 3s2 3p6 3d8 4s2
- 21s2 2s2 2p6 3s2 3p6 3d9 4s2✓
- 31s2 2s2 2p6 3s2 3p6 3d10 4s1
- 41s2 2s2 2p6 3s23p6 3d5 4s1
Correct answer
1s2 2s2 2p6 3s2 3p6 3d9 4s2
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