Pure Substances and Mixtures 

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Last updated 3:12 PM on 9/13/22
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27 Terms

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Compound
________: pure substance that is Made of 2+ elements chemically combined in a definite ratio.
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Atom
________: smallest unit of an element that still maintains the properties of that element.
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Solution
________: another name for Heterogeneous mixture.
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Pure substance
________: type of matter with constant composition: EX: the element Carbon, or the compound CO2.
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Element
________: pure substance that can not be broken down into any other substance.
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Mixtures
________: 2+ substances that are combined but not chemically bonded, so the ingredients still retain their original properties.
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Element
pure substance that cannot be broken down into any other substance
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Atom
smallest unit of an element that still maintains the properties of that element
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Compound
pure substance that is Made of 2+ elements chemically combined in a definite ratio
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AKA
molecule
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Mixtures
2+ substances that are combined but not chemically bonded, so the ingredients still retain their original properties
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Heterogeneous Mixture
uniform throughout
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Solution
another name for Heterogeneous mixture
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Pure Substance
Form of Matter with constant composition
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Element
Pure substance that cannot be broken down into any other substance
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Atom
The smallest unit of an element that still maintains the properties of that element.
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Compound
Pure substance that is made of 2+ elements chemically combined in a definite ratio. Can be broken down by chemical reactions only/
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Molecule
Another name for a compound
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Mixtures
2+ substances that are combined but not chemically bonded, so the constituents still retain their original properties.
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Constituent
Substances that make the mixture.
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Heterogeneous mixture
Not uniform throughout. Can individually make out the individual constituents.
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Homogeneous mixture
Uniform throughout.
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Solution
Other name for homogeneous mixture.
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Filtration
A process to separate mixtures by separating the liquids (water and solutes) from the solids.
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Decanting
Separates mixtures by allowing liquids and solids to separate using gravity.
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Distillation
Separates liquids by taking advantage of boiling points
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Evaporation
Boiling the mixture and allowing the water to evaporate, leaving solids and solutes without the water.