Question

how to write chemical formula​

Answer 1

The chemical formulae for all the elements that form each molecule and uses a small number to the bottom right of an element's symbol to stand for the number of atoms of that element. For example, the chemical formula for water is H2O.

Answer 2

A chemical formula is defined as a collection of chemical symbol that is used to show the elements present in any compound and its proportion. Before we foray into the area of writing a chemical formula, we must acquaint ourselves with the basics of chemical formulae.

For MS Word 2007/2010/2013: use the equation feature, designed for math, but works okay for chemistry. Go to the insert tab. Click on the equation button on the far right. Here are also shortcut commands to render most common things.