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ch 2 joshuawilliams

vocabulary

QuestionAnswer
the change if properties of matter chemistry
All matterial taht takes up space. Matter
the change if properties of matter chemistry
All matterial taht takes up space. Matter
A substance that can be separate or broken down by chemical means. Atom
Mixture of a group of elements. Compounds
Small group of atoms. Molecules
Elements use to repesent a substance. Chemical formula.
matter with a fixed compound. Pure Substance
the combination of substances mixture
the temperature and plus pressure at which a solid becomes a liquid melting point
The Tempature at a liquid becomes a gas. boiling point
The ratio of the mass of a substance to the volume of a substance. density
The ability of a substance to combine chemically with another substance. reactivity
a change of matter from one form to another with a change in chemical properties. physical change
a change that occurs when a substance changescomposition by forming one or more new substances. chemical change
Created by: joshuawilliams
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