Question

what is a chemical formula ? what rules should be follow while writing ​

Answer 1

Answer:

The rule for writing chemical formula are: -Firstly, write the symbols with positive charge valency first. - Secondly, write the valency of each atom on the top of its symbol. - Thirdly, divide the valency number by their highest common factor ignore the positive or negative radicle.

Explanation:

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Answer 2

Answer:

Q1) what is a chemical formula ?

A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. In empirical formulae, these proportions begin with a key element and then assign numbers of atoms of the other elements in the compound, by ratios to the key element.

Q2) what rules should be follow while writing

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