Question

give reason why silver exhibits a valency of +1 and +2

please explain in brief so that I could understand ​

Answer 1

Answer:

An atom of an element can sometimes lose more electrons than are present in its valence shell i.e. loss from the penultimate shell and hence exhibit more than 1 or variable valency. - Silver has electronic configuration [Kr] 4d^10 5s^1. ... - At other times, silver loses one electron from 5s & 4d each to show valency +2.

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Answer 2

Answer:

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