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9 - Mod 1 Lesson 3

TermDefinition
pure substance a substance made of only one kind of matter and having definite properties.
Element one type of atom
peridoic table table of all elements
chemical symbol one or two letters that represent an element
chemical formula the ratio in which the atoms of each element in the compound occur
Compound A substance made up of atoms of two or more different elements joined by chemical bonds
matter anything that has mass and takes up space.
energy the ability to do work
atom smallest unit of matter.
solid matter that has a definite shape and volume
liquid free-flowing and assume the shape of the container that holds them
gas A state of matter with no definite shape or volume
plasma ionized gas
mixtures a combination of two or more substances that are not chemically combined
heterogeneous mixture a mixture in which components are not evenly distributed throughout the mixture
homogeneous mixture A mixture in which substances are evenly distributed throughout the mixture
alloy A mixture of two or more metals
solutions a homogeneous mixture of two or more substances
Suspension heterogeneous mixtures in which particles do not dissolve and are not evenly distributed
colloid mixtures that are halfway between a solution and a suspension
Created by: Ms. Greenup
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