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Unit 1: Matter

TermDefinition
Matter Anything that has mass and takes up space
Physical Property A characteristic of a substance that does not involve a chemical change, such as density or color
Chemical Property A property of matter that describes a substances ability to participate in chemical reaction
Physical Changes A change of matter from one form to another without a change in chemical properties
Chemical Changes A change that occurs when one or more substances change into entirely new substances with different properties
Extensive Property A property relating to size or extent
Intensive Property A property that does not depend on the amount of matter present, such as pressure, temp, or density
Ductility The ability of a substance to be hammered thin or drawn out into a wire
Malleability The ability of a substance to be hammered of beaten into a sheet
Volume A measure of the size of the body or region in 3d space
Compressibility The measure of how much a given volume of matter decreases when placed under pressure
Density The ratio of the mass of a substance to the volume of the substance; often expressed as grams or per cubic centimeter for solid
Evaporation The change of a substance from liquid to gas
Sublimination A solid changing into a gas or reverse
Vaporization Liquid is exchanged into gas
Element A substance that cannot be broken down into simpler substances by chemical means: all atoms of an element have the same atomic number
Compound A substance made up of atoms of two or more different elements joined by chemical bonds
Heterogenous Mixture A reaction in which the reactants are in two different phases
Homogenous Mixture A reaction in which all of the reactants and products are in the same phase
Atom The smallest unit of an element that maintains the chemical properties of that element
Created by: cb444724
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