Chemistry Concepts

Front

Properties that do not depend on the amount of matter present.

Back

Intensive properties

Front

Properties that depend on the amount of matter present.

Back

Extensive Properties

Front

Changes affecting the form of a chemical substance, but not its chemical composition.

Back

Physical Changes

Front

Changes that result in the formation of new chemical substances.

Back

Chemical Changes

Front

A mixture that has a non-uniform composition.

Back

Heterogeneous mixture

Front

A mixture that has a uniform composition throughout.

Back

Homogeneous mixture

Front

The number of protons in the nucleus of an atom.

Back

Atomic number

Front

The mass of an atom, typically expressed in atomic mass units.

Back

Atomic mass

Front

Mass is neither created nor destroyed in a chemical reaction.

Back

Law of conservation of mass

Front

A number that specifies the energy level of an electron in an atom.

Back

Principle quantum number