Vocab Test Quarter 1

Front

A pure substance of 2+ elements chemically combined.

Back

compound

Front

Basic unit of matter.

Back

atom

Front

Energy cannot be created or destroyed, only transformed.

Back

Law of Conservation of Energy

Front

Change in matter from solid to gas without liquid phase.

Back

sublimation

Front

A pure substance that cannot be broken down by chemical or physical means.

Back

element

Front

Group of atoms bonded together, smallest unit of a pure substance.

Back

molecule

Front

Matter cannot be created or destroyed, only transformed.

Back

Law of Conservation of Mass

Front

Measure of acidity/alkalinity of a solution

Back

pH

Front

Substance from a natural chemical reaction.

Back

synthetic

Front

Characteristics to identify a substance.

Back

Physical properties