Matter Classification and Structure: Types and Properties
Classified in Chemistry
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Classification of Matter
Matter is classified as homogeneous or heterogeneous according to its appearance.
- Homogeneous: It looks the same everywhere.
- Heterogeneous: It does not have the same aspect throughout.
Classification of Substances
Substances can be classified according to their material composition into pure substances or mixtures.
- Pure substances: Are formed by a single substance.
Classification of Pure Substances
Pure substances are classified into chemical elements and compounds
- Chemical Elements: Are pure substances that cannot be decomposed into simpler ones.
- Compounds: Are pure substances that can be decomposed into simpler ones.
- Mixtures: A mixture is formed by several pure substances. Mixtures have no fixed composition.