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chp.4terms JA and SB

QuestionAnswer
Element A pure substance that cannot be separated into simpler substances by physical or chemical means
Pure Substance A substance in which there is only one type of particle
Characteristic Properties When each element has a unique set of properties that allow you to identify it
Metals Elements that are shiny and are good conductors of thermal energy and electric current metals are malleable
Non-Metals Elements that are dull and that are poor conductors of thermal energy and electric current, they are brittle and not malleable.
Metalloids Also called semiconductors, Elements that have properties of both metals and nonmetals EX: Shiny or dull, malleable and not malleable
Compound A pure substance composed of two or more elements that are chemically combined
Mixture A combination of two or more substances that are not chemically combined
Solution A mixture that appears to be a single substance but is composed of particles of two or more substances that are distributed evenly amongst each other
Solute The substance that is dissolved
Solvent The substance in which the solute dissolves
Soluble Able to dissolve.
Insoluble Unable to dissolve.
Homogenous Mixture Mixtures with the same appearance ad properties throughout it.
Heterogeneous Mixture A combination of substances in which different components are easily observed.
Concentration A measure of the amount of solute dissolved In a solvent.
Solubility The amount of solute needed to make a saturated solution using a give amount of solvent at a certain temperature.
Dilute Solution that contains less solvent.
Saturated Solution A solution that contains all the solute it can hold at a given temperature.
Unsaturated Solution A solution that contains less solute than it can hold at a given 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.
Colloid A mixture in which the particles are dispersed throughout but are not heavy enough to settle out.
Created by: PhySciLewis1
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