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S8P1 a.

Pure Substances and Mixtures

TermDefinition
Matter Anything that has a mass and a volume.
Atoms The building blocks of matter. Made up of protons, electrons, and neutrons.
Molecules Two or more atoms are joined together chemically. Elements can be different or the same. Example: O + O = O2
Compound A molecule that has two or more different elements bonded together. Example: H + O = H2O
Heterogeneous Mixture Parts do not combine. Each keeps its own properties. Can be separated. Example: sand and water.
Homogeneous Uniform distribution. Example: sugar and water.
Solution Groups of molecules that are mixed in a completely even distribution. A solute dissolved in a solvent.
Solute The substance to be dissolved. Example: sugar.
Solvent The one doing the dissolving. Water is a universal one.
Mixture No chemical change. Each keeps its own properties. Can be separated.
Created by: donaldshirley
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