Across
- 2. takes the shape and volume of the space it is in
- 5. a pure substance
- 8. holds its shape and keeps the same volume
- 9. positively charged particles of atoms
Down
- 1. the amount of matter in an object
- 3. the smallest particle of matter
- 4. negatively charged
- 6. takes the shape of the space it's in- fixed volume
- 7. less particles of an atom
