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Mixtures

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 in water.
Homogeneous Mixture Uniform distribution. Example: sugar in 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.
Filtration Process of separating a mixture by using a funnel and filter paper to separate a solid from a liquid
Distillation Process in which the parts of a substance or liquid mixture are separated by heating it to a certain temperature and then condensing the resulting vapors
Evaporation A method of separating a mixture where the liquid turns into a gas and the solid residue is left behind
Magnetism A method of separating a mixture by removing metals from non-metal substances
Sifting A method of separating a mixture that uses a screen-like device or mesh device to separate larger objects from smaller objects
Bonded Atoms are held together by a force of attraction
Element A pure substance that is the building block of all matter
Pure Substance A substance made from a single type of atom or one type of molecule; can be a compound or a single element; Examples: diamonds, salt, gold
Created by: shealyn
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