Classification of Matter

2. definite shape and volume
4. homogeneous part separated by physical boundaries
7. union of two or more atoms
8. prepared by mixing correct amounts of salt and water (two words put together)
9. material containing two or more substances
10. substance that contains two or more elements
12. negatively charged ion
13. positively charged ion
15. abbreviations for compounds (two words put together)
16. definite volume but not shape
17. matter with a definite, fixed composition
20. positively or negatively charged atom or group of atoms
21. solids at room temperature
22. smallest particle of an element that can exist
23. abbreviation of each element
24. substance that cannot be broken down by chemical means to simpler substances
25. indefinite volume and no fixed shape

1. has same properties throughout
2. numbers that appear below and to the right of symbol of an element
3. body of matter under consideration
5. two or more physically distinct phases
6. contain exactly two atoms (two words put together)
8. not uniform in appearance, has parts with different properties (two words put together)
11. properties intermediate between metals and those of nonmetals
14. solid without any regular, internal geometric shape
18. not lustrous, low melting points and densities
19. anything with mass and occupies space