ICSE Class 8 Answered
what is the valency of Copper
Asked by nihalcrj2006 | 29 Jan, 2021, 12:12: PM
Expert Answer
Some elements exhibits two positive valencies, then for lower valency, use the suffix –ous at the end of the name of the element, and for higher valency, use the suffix –ic at the end of the name of the element.
Example: (a) Copper shows two valencies. Cu1+ or Cu(I) is cuprous. Cu2+ or Cu (II) is cupric.
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