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Properties of Matter - Flashcards

boiling pointThe temperature of a liquid where its vapor pressure equals the pressure exerted on its surface
specific heatA measure of the amount of heat needed to raise the temperature of 1 gram of a substance by 1 degree C.
chemical propertya property that can be observed only when there is a change in the composition of a substance.
chemical reactivityMeasure of how easily a chemical will react.
compoundA chemical combination of two or more different elements joined together in a fixed proportion.
conductivityA measure of how easily electrons can flow through a material to produce an electrical current.
densityThe amount of matter (mass) in a given space (volume).
elementAny substance that cannot be broken down into a simpler one by a chemical reaction.
chemical formulaA combination of the chemical symbols that show what elements make up a compound and the number of atoms of each element.
lusterA bright and shiny condition or tone.
massThe measure of the amount of matter an object contains.
matterAnything that takes up space and has mass.
melting pointThe temperature of a solid when its crystal lattice disintegrates.
mixtureA comination of two or more substances in which the basic identiy of each substance is not changed.
pHA mathematical scale in which the concentration of hydronium ions in a solution is expressed as a number from 0 to 14.
physical changeA change in matter where its identity does not change.
physical propertyA characteristic of matter that is exhibited without a change of idenity.
pure substanceMatter with the same fixed composition and properties.
reflectivityThe ratio of the energy of a wave reflected from a surface to the energy of the incident wave.
solubilityA measure of one substance's ability to dissolve in a specific amount of another substance at standard temperature and pressure.
soluteThe substance that is being dissolved when making a solution.
solutionA mixture that is the same throughout, or homogeneous.
solventThe substance that dissolves the solute when making a solution.
chemical changeThe change of one or more substances into other substances.

Alta Vista Charter High School
Kansas City, MO

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