Question

What is chemical formula

Answer 1

A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.

Answer 2

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• The Chemical Formula of a substance is based on the composition of that substance.It indicates the type and number of atoms of each kind present in that substance.