what is mattter?

chemical formula

A combination of chemical symbols and numbers to represent a substance

mixture

A combination of two or more substances that are not chemically combined

molecule

A group of atoms bonded together

element

A pure substance made of only one kind of atom

pure substance

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

compound

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

matter

Anything that has mass and takes up space

atom

Basic unit of matter

chemistry

the study of matter and how it changes