Across
- 1. are formed from chemical reactions.
- 3. a reaction accompanied by the release of heat.
- 6. substances initially present in a chemical reaction
- 7. has a PH greater than 7.
Down
- 2. The science word for burning
- 4. a reaction or process accompanied by the release of heat
- 5. any type of compound that stores energy
- 7. a substance with particular chemical properties.