Pure Substances

A pure substance is a material that is made up of only one type of atom (element) or compound.

Carbon Dioxide (CO2) is an example of a compound.

A mixture is two or more substances that are physically combined and can be separated.

Atoms are the smallest particles of matter.

An element is a pure substance that cannot be broken down into other substances by chemical or physical means.

A pure substance consists of only one type of particle, while a mixture contains two or more different particles that are not chemically bonded.

Yes, a pure substance can exist in solid, liquid, or gas states.

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

The chemical formula of a compound indicates the types and numbers of atoms present in the compound.

Mixtures can be separated by physical methods such as filtration, distillation, or chromatography.