Across
- 3. The physical form of matter - solid, liquid or gas.
- 6. A change that occurs when the spacing or interactions between paticles in a substance change or the particles mix with other particles.
- 8. The amount of matter in an object.
- 9. A process that absorbs energy (turns cold).
- 11. An insoluble solid formed when two liquid solutions are mixed.
- 12. A process that releases energy (produces heat).
- 13. The original substances present before a reaction takes place.
Down
- 1. A symbolic representation of the reactants and products in a chemical reaction.
- 2. Saved; neither gained nor lost.
- 4. The scientific law that mass is neither created nor destroyed during a chemical reaction.
- 5. The total energy of motion of the particles in a sample of a substance.
- 7. A process during which a substance changes into one or more new substances.
- 10. To mix into another substance at the molecular level.
- 11. The final substances present at the end of a chemical reaction.