Chemistry · Structure of Atom
The correct ground-state electronic configuration of Copper (Cu, Z=29) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[Ar] 3d9 4s2
- 2[Kr] 3d9 4s2
- 3[Kr] 3d10 4s1
- 4[Ar] 3d10 4s1✓
Correct answer
[Ar] 3d10 4s1
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