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What is electronic configuration of Cu (z=29) and Cr (z=24) by aufbau principle?

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What is electronic configuration of Cu (z=29) and Cr (z=24) by aufbau principle?
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Cu(29) = 1s2 ,2s2 ,2p6 ,3s2 ,3p6 , 3d10,4s1 . 

Cr (z=24) =1s2 ,2s2 ,2p6 ,3s2 ,3p6 , 3d5 ,4s1 .

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