write the electronic configuration for copper and chromium. write whole process. CLASS 11
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cu-1s2 2s2 2p6 3s2 3p6 4s1 3d5
cr-1s2 2s2 2p6 3s2 3p6 4s1 3d10
here last shell is filled this is the rule of iupac-international union of pure and applied chemistry in the last shell if it is filled fully so that it will be more stable for this we have to take 1 electron from previous shell and added to the last shell so that those two will be more stable
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cr-1s2 2s2 2p6 3s2 3p6 4s1 3d10
here last shell is filled this is the rule of iupac-international union of pure and applied chemistry in the last shell if it is filled fully so that it will be more stable for this we have to take 1 electron from previous shell and added to the last shell so that those two will be more stable
this is the answer hope it helps plz mark me as brainliest I need to rank up
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