Across
- 3. definite shape and volume
- 4. solids at room temperature
- 5. positively charged ion
- 7. consists of two or more physically distinct phases
- 8. abbreviation of each element
- 9. positively or negatively charged atom or group of atoms
- 10. contain exactly two atoms (two words put together)
- 13. abbreviations for compounds (two words put together)
- 15. homogeneous part of a system separated from other parts by physical boundaries
- 17. not lustrous, have relatively low melting points and densities
- 19. has same properties throughout
- 23. can be prepared by mixing correct amounts of salt and water (two words put together)
- 25. smallest particle of an element that can exist
- 26. anything with mass and occupies space
Down
- 1. a material containing two or more substances, either heterogeneous or homogeneous
- 2. a distinct substance that contains two or more elements chemically combined in definite proportion by mass
- 6. particular kind of matter with a definite, fixed composition
- 7. not uniform in appearance, has parts with different properties, can be separated physically by using a magnet to attract iron (two words put together)
- 11. definite volume but not shape
- 12. the body of matter under consideration
- 14. negatively charged ion
- 16. indefinite volume and no fixed shape
- 18. a fundamental or elementary substance that cannot be broken down by chemical means to simpler substances
- 20. solid without any regular, internal geometric shape
- 21. smallest uncharged unit of compound: formed by union of two or more atoms
- 22. have properties that are intermediate between those of metals and those of nonmetals
- 24. numbers that appear partially below the line and to the right of symbol of an element