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It differs from Continuum body (or Medium) in that it is considered with reference to its molecular and corpuscular structure.
The chemical substances are (materials) are divided into pure substances (also called chemical compound) and mixtures.
See also
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Natural Science / Physics / Chemistry
[ Pure substance ][ Mixtures ]
[ Organic chemical substance ][ Non-organic chemical substance ]
[ Hydrocarbons / Alkanes ]
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