Classification of Matter

3. definite shape and volume
4. particular kind of matter with a definite, fixed composition
9. has same properties throughout
11. anything with mass and occupies space
12. a material containing two or more substances, either heterogeneous or homogeneous
14. not uniform in appearance, has parts with different properties, can be separated physically by using a magnet to attract iron (two words put together)
17. indefinite volume and no fixed shape
18. definite volume but not shape
19. positively or negatively charged atom or group of atoms
20. numbers that appear partially below the line and to the right of symbol of an element
23. solids at room temperature
24. positively charged ion

1. consists of two or more physically distinct phases
2. smallest uncharged unit of compound: formed by union of two or more atoms
3. abbreviation of each element
5. the body of matter under consideration
6. a fundamental or elementary substance that cannot be broken down by chemical means to simpler substances
7. smallest particle of an element that can exist
8. contain exactly two atoms (two words put together)
9. can be prepared by mixing correct amounts of salt and water (two words put together)
10. solid without any regular, internal geometric shape
13. abbreviations for compounds (two words put together)
15. not lustrous, have relatively low melting points and densities
16. have properties that are intermediate between those of metals and those of nonmetals
21. a distinct substance that contains two or more elements chemically combined in definite proportion by mass
22. homogeneous part of a system separated from other parts by physical boundaries
25. negatively charged ion