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Chemistry Honors
Matter Classification
Term | Definition |
---|---|
Pure Substance | a sample of matter that has definite and constant chemical and physical properties. |
Element | pure substance that cannot be separated into simpler substance by physical or chemical means. |
Atoms | The smallest unit of an element that maintains the properties of that element. |
Molecules | composed of two or more elements that are joined by chemical bonds. |
Compounds | pure substances composed of two or more different elements joined by chemical bonds. |
Mixtures | a combination of two or more pure substances that are not chemically combined. |
Solutions | a mixture that appears to be a single substance. |
Colloids | a mixture of tiny particles bigger than those in a solution, but smaller than in a suspension. |
Suspensions | a mixture in which particles are dispersed in liquid or a gas and will eventually settle out. |