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Chapter 4 Terms ADRS

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 A property of a substance that is always the same whether the sample observed is large or small.
Metals Elements that are shiny and good conductors of thermal energy and electric current.
Nonmetals Elements that are dull (not shiny) and that are poor conductors of thermal energy and electric current.
Metalloids Called semiconductors, are elements that have properties of both metals and nonmetals.
Compound A pure substance composed of two or more substances that are not 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 is the substance that is dissolved.
Solvent The substance in which the solute is dissolved.
Soluble able to dissolve
Insoluble unable to dissolve
Homogenous mixture combination of the same properties throughout
Heterogonous mixture combination of different components
Concentration measure of all amount of solute that dissolves in a solvent
Solubility ability to dissolve in a different substance
Dilute does not specify the amount of solute that actually dissolved
Saturated solution solution that contains all the solute it can hold at a given temperature
Unsaturated solution solution that does not contain all the solute it can at a given temperature
Suspension mixture in which particle of a material are dispersed throughout a liquid or gas but large enough that they settle out
Colloids a mixture in which the particles are dispersed throughout but are not heavy enough to settle out
Created by: PhySciLewis1
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