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Matter

TermDefinition
Matter The substance that everything around us consists of
Atoms The smallest component of an element, used in all matter, with protons, neutrons, and electrons
Molecules A unit for matter created by one or more atoms to form a new element or compound.
Elements A combination of one or more of the same atom.
Compounds A combination of two or more of a different type of atom.
pure substance A substance that is made up of only one type of matter that can only be chemically separated.
mixture A substance that is made up of more than one type of matter that can be physically separated.
homogeneous Mixtures that are evenly distributed.
heterogeneous A mixture that is not even distributed throughout.
chemical formula way of expressing information about the proportions of atoms that constitute a particular chemical compound
colloid mixture containing mid-size particles that do not settle out
particle size Indicates how big or small the particles present are.
settling out When particles tend to fall to the bottom of the substance.
solution a mixture containing atoms, ions, or molecules fully dissolved.
suspension a mixture containing particles that settle out if left undisturbed.
tyndall effect dispersed colloid particles scatter light, allowing us to differentiate between colloids & solutions.
Created by: 2018106