CHEM - Unit 1 Vocab

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Matter that has a uniform and definite composition. Either an element or compound.

A physical blend of 2 or more substances that are not chemically combined.

The ability of a substance to undergo a specific chemical change.

Quality or condition of a substance that is observed or measured without changing composition

A change during which some properties of a material change, but the composition does not.

A measure of the space occupied by a sample of matter.

Anything that has mass and occupies space.

A change that produces matter with a different composition that the original matter.