Substances are made of elements. Compounds, or "compound substances", are made of different elements (types of atoms). Elementary substances are made of a single element (one type of atoms). ... Ont the other hand, a compound, is a certain kind of substance, constituted by a regular combination of different elements.
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Substances are made of elements. Compounds, or "compound substances", are made of different elements (types of atoms). Elementary substances are made of a single element (one type of atoms). ... Ont the other hand, a compound, is a certain kind of substance, constituted by a regular combination of different elements.