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ch 4 PS HRW
Ch 4 PS HRW
14
Chemistry
8th Grade
03/13/2008

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Term
colloid
Definition
a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas
Term
compound
Definition
a substance made up of atoms of two or more different elements joined by chemical bonds
Term
concentration
Definition
them amount of a particular substance in a given quantity of a mixture, solution, or ore
Term
element
Definition
a substance that cannot be separated or broken down into simpler substances by chemical means
Term
metal
Definition
an element that is shiny and that conducts heat and electricity well
Term
metalloid
Definition
an element that has properties of both metals and nonmetals
Term
mixture
Definition
a combination of two or more substances that are not chemically combined
Term
nonmetal
Definition
an element that conducts heat and electricity poorly
Term
pure substance
Definition
a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
Term
solubility
Definition
the ability of one substance to dissolve in another at a given temperature and pressure
Term
solute
Definition
in a solution, the substance that dissolves the solvent
Term
solution
Definition
a homogeneous mixture throughout which two or more substances are uniformly dispersed
Term
solvent
Definition
in a solution, the substance in which the solute dissolves
Term
suspension
Definition
a mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas
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