What is meant by the therm chemical formula
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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.
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Chemical formula are used to describe the types of atoms & their numbers in an element on compound. The atoms of each element are represented by one or two different letters. A set of chemical symbols showing the elements present in a compound & their relative proportions. Example: Chemical formula of sodium chloride is N aC l
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