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14 Cards in this Set

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  • Back
element
a pure substance that cannot be separated or broken down into simpler substances by physical or chemical means
pure substance
A substance is which where is only one type of particle: includes elements and compounds
metals
Elements that are shiny and are good conductors of thermal energy and electric current. They are malleable and ductile.
nonmetals
Elements that are dull and are poor conductors of thermal energy and electric current
metalloids
Elements that have properties of both metals and nonmetals: sometimes referred to as semiconductors
compound
A pure substance composed of two or more elements that are chemically combined. Example: H2O
mixture
A combination of two or more substances that are not chemically combined
solutions
A mixture that appears to be a single substance but is composed of particles of two or more substance that are distributed evenly amongst eachother. Example: p.92
solute
The substance that is dissolved to form a solution. Example p. 92
solvent
The substance in which a solute is dissolved to form a solution Example p.92
concentration
A measure of the amount of solute dissolved in a solvent
solubility
The ability to dissolve in another substance or the amount of solute needed to make a saturated solution using a given amount of solvent at a certain temperature.
suspension
A mixture in which particles of a material are dispersed throughout a liquid or gas but are large enough that they settle out.
Example p. 96
colloid
A mixture in which the particles are dispersed throughout but are NOT heavy enough to settle out
Example p. 97