1. It is the simplest type of matter.
2. It is made up of two or more elements, .
3. It has a definite composition and unique set of properties.
4. It occupies space and has mass.
5. It is a compound made up of sodium and chlorine.
6. It is one of the components of water when broken down.
7. An example of element that is a metal.
8. Compounds can be classified as or base.
9. The smallest indivisible particle that makes up everything.
10. A compound that is formed when iron reacts with oxygen.​