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21 Cards in this Set

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  • Back
Mixture
Matter that consists of two or more substances mixed but not chemically combined.
Heterogeneous mixture
Substance that does not appear to be the same throughout.
Homogeneous Mixture
Mixture that appears the same throughout.
Colloid
Homogeneous mixture in which the particles are mixed together but not dissolved.
Solution
Homogeneous mixture in which one substance is dissolved in another.
Solute
Substance that is dissolved in a solution.
Solvent
Substance that does the dissolving in a solution.
Soluble
Can be dissolved in water.
Insoluble
Unable to be dissolved in water.
Solubility
The amount of solute that can be completely dissolved in a given amount of solvent at a specific temperature.
Alloy
A solution of two metals or a metal and a nonmetal that has the properties of a metal.
Pure Substance
Substance made of one kind of material having definite properties.
Element
Simplest type of pure substance.
Atom
Smallest particle of an element that has all the properties of that element.
Chemical Symbol
Shorthand way of representing an element.
Compound
Substance made up of molecules that contain more than one kind of atom; two or more elements chemically combined.
Molecule
Structure made up of two or more atoms.
Chemical Formula
Combination of chemical symbols usually used to represent a compound.
Subscript
Number placed to the lower right of a chemical symbol to indicate the number of atoms of the element in the compound.
Chemical Equation
Expression in which symbols, formulas, and numbers are used to represent a chemical reaction.
Coefficient
Number that is placed in front of a symbol or a formula in a chemical equation that indicates how many atoms or molecules of this substance are involved in the reaction