A sample of matter, either a single element or a single compound, that has definite chemical and physical properties

A pure substance made of only one kind of atom

Basic unit of matter

A substance made up of atoms of two or more different elements joined by chemical bonds

A mixture with uneven distribution of different substances, solids, liquids, gases.

A homogeneous mixture of two or more substances

A mixture in which particles can be seen and easily separated by settling or filtration

A mixture containing small, undissolved particles that do not settle out.

A characteristic of a pure substance that can be observed without changing it into another substance

A liquid's resistance to flowing

A material's ability to allow heat to flow

the ability of a substance to be hammered or beaten into thin sheets

The temperature at which a solid becomes a liquid

The temperature at which a liquid changes to a gas

A process that separates materials based on the size of their particles.

A process that separates the substances in a solution based on their boiling points

A change in a substance that does not involve a change in the identity of the substance

A characteristic of a pure substance that describes its ability to change into different substances

A material's ability to burn in the presence of oxygen

How readily a substance combines chemically with other substances.

A change in matter that produces one or more new substances

A solid that forms from a solution during a chemical reaction.

a mixture in which two or more substances are evenly mixed on the atomic level but not chemically bonded