Question

copper exhibit variable valency ???​

Answer 1

Answer:

Copper shows variable valency because of the different electronic configurations. An atom of an element can sometimes lose more electrons than are present in its valence shell that is loss from the penultimate shell and hence exhibit more than one valency.

Answer 2

Answer:

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Explanation:

Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. One of the ways that plants can produce offspring is by making seeds.