Across
- 3. Group of atoms
- 5. Center of the atom
- 9. Contains more than one type of atom or molecule
- 10. Neutral particle
- 11. Does it dissolve?
- 13. The amount of matter in an object
- 14. Describes matter
- 15. Used to measure
Down
- 1. Smallest unit of matter
- 2. Creates a new substance
- 4. Positive particle
- 6. Negative particle
- 7. Mass divided by volume
- 8. Measures mass
- 9. Has mass and takes up space
- 12. Connection between atoms