chemistry

2. 2 or more elements chemically combined in a set ratio
3. things that has mass and takes up space
5. a way of expressing information about the proportions of atoms that constitute a particular chemical compound
6. a property that can be view without change changing it into another substance
8. a single pure kind of matter
12. a mixture where the different parts are visable

1. a basic unit of matter
2. the ability of a pure substance to change into another substance
4. a mixture where the different parts are not visable
7. a liquid mixture in which the minor component is uniformly distributed within the major component
9. an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
10. the study of the properties of matter and how they change
11. a substance made by mixing other substances together
13. a pure substance that cannot be broken down physically or chemically
14. two or more atoms held together by chemical bonds