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25 Cards in this Set
- Front
- Back
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solid
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has a definite shape and volume
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liquid
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has a distinct volume but no specific shape
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gas (vapor)
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no fixed volume or shape
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pure substance (substance)
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matter that has distinct properties and a composition that does not change/vary
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element
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cannot be decomposed into simpler substances
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compound
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substance composed of two or more elements, contain two or more kinds of atoms
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mixture
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combinations of two or more substance in which each substance retains its own chemical identity
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solutions
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a mixture of substances that has a uniform composition; a homogeneous mixture
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solute
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thing that is dissolved
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solvent
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thing that does the dissolving
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solubility
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the ability of the solvent to dissolve the solute
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reaction
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happens when two or more molecules interact and change
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molecule
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atoms are connected by chemical bonds
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covalent compound
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atoms share the electrons
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electrovalent /ionic compound
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electrons are donated from one atom to another
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alloy
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mixture of two or more metals
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emulsions
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mixtures of oil and water
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homogeneous systems
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everything in a solution is evenly spread out and mixed together
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colloids
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solutions with much bigger particles
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bond
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strong forces that join together atoms in a compound
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insoluble solid
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a substance that does not dissolve
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soluble solid
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substance that does dissolve to forma solution
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formulae
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more than one formula
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distillation
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way to separate liquid from a solution-is evaporated but cooled then condensed
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periodic table
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table in which the symbol for each element is enclosed in a box
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