- atom: smallest particle of an element that has characteristics of that element
- chemical property: property that describes how one kind of matter changes into another form
- combustion: the process of buring something
- compound: a substance formed when the atoms of two or more electrons join together chemically
- electron: moves around outside of nucleus and is negatively charged
- elment: substance that cannot be changed or separated into other kinds of substances
- matter: anything that has mass and takes up space
- mixture: two or more elements or compounds mixed together but not joined chemically
- molecule: the smallest portion of a substance that has all the properties of that substance
- nucleus: center of an atom which is made up of protons and neutrons
- oxidation: process in which minerals combine with oxygen to form new substances
- physical property: properties that can be observed without changing the matter into another kind of matter
- plasma: ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric change
- property: characteristic that describes matter
- proton: positively charged particle of an atom
- states of matter: solid, liquid, and gas