Question

what is the valency of the first group of element ​

Answer 1

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Answer 2

Answer:

valency formula..

We all know that the chemical formula for water is H2O. How many times have we wondered why it is written as “H2O” and not something else? What is the reason for this particular formula? The answer to the above question is “Valency”. Let us know more about Valency and how it helps in determining a formula!

Explanation:

Valency is the measure of the combining capacity of atoms or molecules. Therefore, it is the capacity of an atom of a single element to react and combine with particular numbers of atoms of another element.