Question

What is meant by the term chemical formula?​

Answer 1

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What is meant by the term chemical formula?

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The chemical formula of the compound is a symbolic representation of its composition, e.g., chemical formula of sodium chloride is NaCl.

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Answer 2

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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.

☘️ Chemical formula is an expression which shows the number and type of atoms present in one molecule of a substance. Atoms are denoted by their symbols. For example the chemical formula for water is H2O which means water has two atoms of Hydrogen and 1 atom of Oxygen.

☘️ The symbols of the elements can be used to represent compounds e.g. FeS, NaCl, KBr and H2O. These are called chemical formulae. In the first three examples, the ratio of the elements in each compound is 1:1. So, for FeS, there is one atom of iron for every atom of sulfur in the compound.