What is meant by a chemical formula ? Write the formulae of one element and one compound.
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A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule.
formula of one element and one compound:
Water is composed of hydrogen and oxygen in a 2:1 ratio. The chemical formula for water is H2O.
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Chemical formula of a compound is the symbolic representation of its compound.
example:- H2O(is the formula of water), CaO(formula of calcium oxide)
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