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Unit 2: Science

the ability of a chemical to burn causing fire
The smallest particle an element, can be divided and still be the same substance
the temperature at which a liquid boils and turns to vapor
any change that causes a new substance to be formed
The same element or compound organized in a specific pattern
A characteristic of a substance that permits its change to a new substance
Substance that cannot be broken down into any other substance by chemical or physical means
 the ability to be dissolved, especially in water
Action that occurs as two or more objects have an effect upon one another
the temperature at which a solid will melt
Group of atoms held together by covalent bonds so that they move as a single unit
a distinctive smell
can be observed using the five senses or can be measured without changing the matter
a change from one state (solid or liquid or gas) to another without a change in chemical composition
Material that is made of only one type of atom or only one type of molecule
the degree of compactness of a substance