Matter is a physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
A pure substance is a sample of matter with both definite and constant composition with distinct chemical properties. There are two types of matter! There is pure substance and mixtures. First lets talk about Pure Substances. There are two types of Pure Substances: Element and Compound.
This a picture of the types of pure substances.
These are just some examples of pure substances.
One of them is Element. An element is a substance made from only one type of atom.
Some examples of an element are Sodium, Hydrogen, Nitrogen, and Oxygen.