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27 Cards in this Set
- Front
- Back
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pure substance
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matter that has distinct properties and composition that dosent varey sample to sample
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elements
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cannot be decomposed into a simpler substance
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decomposes
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to fade away
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pure compound
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a chemical substance that is composed of a paticular set of molocules
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nature
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the phenomina of all living things
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components
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item that form the mixture and are not measured in quanity
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homogeneous
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mixtures thst are unifrom throughout
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solutions
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a mmixture of substances thaat has a uniform composition
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molecules
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general term for atoms connetceted by chemical bonds
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physical Forces
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create changes physicaly
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chemical forces
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forces generated by another compound or molecules that act on substances
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melt
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to go from a soild to a liquid that usally involves heat
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reactive
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showing a response to stimulus
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bonds
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a physical restrant to hold something back
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covalent
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chemical bonds formed by showing of electrons between atoms
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solute
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the minor componet that dissolves in the solvent
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solvent
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able to dissolve in other substances
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concentration
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a close gathering of atoms
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solubility
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a quantity of a substance that can dissolve in a paticular solvent
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formula
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mathmatic relationship or rule expressed in symbols
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alloys
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a mixture of two or more metals
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metallurgist
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people who work with metals
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emulsions
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a dispertion of two liquids
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colloids
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a substance llike gel that dosen't settle and filter out
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dissolves
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become or cause to incorporated into a liquid so as to form a solution
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mixture
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substance mad by mixing other substances together
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pressure
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a continuuosly physical force exerted on or aganst a object by something in contact with
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