Question

What's the chemical formula? What rules should be followes while writting a chemical formula? ​

Answer 1

Answer:

A chemical formula is a notation used by scientists to show the number and type of atoms present in a molecule, using the atomic symbols and numerical subscripts. ... A chemical formula describes a substance, down to the exact atoms which make it up.

The rule for writing chemical formula is as follow: 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.

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