Classification of Matter

1. substance that contains two or more elements
3. substance that cannot be broken down by chemical means to simpler substances
5. anything with mass and occupies space
6. abbreviation of each element
10. indefinite volume and no fixed shape
13. prepared by mixing correct amounts of salt and water (two words put together)
15. negatively charged ion
16. matter with a definite, fixed composition
17. definite shape and volume
18. positively or negatively charged atom or group of atoms
22. two or more physically distinct phases
23. solid without any regular, internal geometric shape
25. body of matter under consideration

1. abbreviations for compounds (two words put together)
2. not uniform in appearance, has parts with different properties (two words put together)
4. smallest particle of an element that can exist
6. numbers that appear below and to the right of symbol of an element
7. definite volume but not shape
8. has same properties throughout
9. contain exactly two atoms (two words put together)
11. properties intermediate between metals and those of nonmetals
12. positively charged ion
14. not lustrous, low melting points and densities
19. material containing two or more substances
20. union of two or more atoms
21. solids at room temperature
24. homogeneous part separated by physical boundaries