Across
- 2. An insoluble solid formed from a chemical reaction
- 4. The process by which one or more substances
- 5. to produce one or more different
- 6. releases heat
- 8. A substance produced during a chemical reaction
- 10. the smallest particle of a chemical element
- 11. a group of atoms bonded together,
Down
- 1. a small, discrete piece of matter or energy
- 3. A substance that takes part in and undergoes
- 7. absorbs heat and energy
- 9. during a chemical reaction