Asked by ubedullah | 17th Oct, 2009, 03:08: PM
The atomic number of Cr is 24.
The electronic configuration is: 1s2 2s2 2p6 3s2 3p6 3d5 4s1
The atomic number of Cu is 29.
The electronic configuration is: 1s2 2s2 2p6 3s2 3p6 3d10 4s1
Answered by | 20th Oct, 2009, 10:19: AM
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