Across
- 2. All stuff in the world is made of these
- 3. the temperature a substance changes from liquid phase to gas phase
- 8. the types and number of atoms that make up a substance
- 9. when atoms rearrange to make new substances
- 10. a group of atoms
- 12. structure formed by repeating groups of atoms
Down
- 1. causing damage
- 4. new substance made after a chemical reaction
- 5. when the order of atoms change
- 6. the temperature a substance changes from solid to liquid
- 7. something that is made up of the same atoms or group of atoms
- 11. starting substance before a chemical reaction