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POM Vocabulary

Across
A property of matter that can be observed during a chemical reaction. A characteristic of a substance that gives the ability/inability to change its chemical makeup.
A single kind of matter that has distinct physical and chemical properties.
States that mass is neither created nor destroyed in a physical or chemical change.
A combination of substances which can be easily separated by physical means.
A substance that participates in a chemical reaction, starting substance(s), written on the left side of the chemical equation.
Occurs when one or more physical properties of a substance are changed without changing the chemical composition of the substance itself.
Down
A substance that forms as a result of a chemical reaction, resulting substance(s), written on the right side of the chemical equation.
Occurs when new substances are formed with different physical and chemical properties.
A property of matter that can be observed and measured without changing the composition or identify of the substance.
Describes what happens in a chemical reaction.
A pure substance, represented by symbols on the periodic table, consisting on a sample of many atoms of the same kind.
A substance that is made of more than one kind of atom which has been chemically bonded together.