Question

what is the relationship between the member
of valence electrons and valency?
which are the main reasons of diabetes?
Write the characteristics of Algae,
5 complete the chart.

Answer 1

Answer:

An element's valency is determined by the number of electrons in its outer shell. Hence, the number of valence electrons obtained from the electronic configuration of the element gives the valency i.e. the number of electrons lost, gained or shared by the element to attain the noble gas configuration

Explanation:

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