The correct valence electronic configuration for Cu(z = 29) is
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Answer:Correct Electron Configuration for Copper (Cu)
Half-filled and fully filled subshell have got extra stability. Therefore, one of the 4s2 electrons jumps to the 3d9. This give us the (correct) configuration of:
1s2 2s2 2p6 3s2 3p6 3d10 4s1
Explanation:
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