Science, asked by Jehan, 1 year ago

Question 7 pls help chemistry

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Answered by aahanas957

1

Answer:

1s2,2s2 2p6,3s2 3p6,4s2 3d9---cu

1s2,2s2 2p6,3s2 3p6,4s2 3d3.---cr

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