Give the chemical formula of one element and one compound.
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It is a representation of the composition of a molecule, in terms of the elements present, using their symbols. For example: O2 is the chemical formula of the element oxygen. Therefore, one molecule of oxygen comprises two atoms. CO2 is the chemical formula of the compound carbon dioxide.
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It is a representation of the composition of a molecule, in terms of the elements present, using their symbols. For example: O2 is the chemical formula of the element oxygen. Therefore, one molecule of oxygen comprises two atoms. CO2 is the chemical formula of the compound carbon dioxide.
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