Across
- 3. The formula for hydrochloric acid
- 5. Basic unit of matter
- 7. A single kind of matter that is pure and has a specific set of properties.
- 8. (of a chemical reaction or compound) occurring or formed with absorption of heat
- 10. The reactants in a photosynthesis reaction.
- 11. any substance that has a definite composition
- 12. Chemical formula for glucose.
- 13. A substance that decreases the hydrogen ion concentration in a solution.
Down
- 1. A substance produced in a chemical reaction
- 2. A chemical substance that is present at the start of a chemical reaction
- 4. the process by which one or more substances change to produce one or more different substances
- 6. A group of atoms bonded together
- 9. Chemical formula for sodium hydroxide
- 12. change A change in matter that produces one or more new substances
- 14. Chemical Reaction in which energy is primarily given off in the form of heat
