Copper exhibits Cu¹+ and Cu²+ valency. Why ?
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Explanation:
Copper has valency '1' and '2' that is the number of electrons lost or gained is 1 or 2 in different compounds.. For C u C l CuCl CuCl the valency is one as it needs one chlorine atom for this compound, hence its name is cuprous chloride. ... So here CU is 1 and 2 so 1 is oils and choose I see so see you see here.
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