Across
- 3. A CH compound reacts with oxygen to make CO2 and H2O.
- 6. Two separate atoms come together to form one compound.
- 8. One element in a pair is replaced by another.
- 10. _____________ states that matter cannot be created or destroyed.
- 13. We represent the amount of each reactant and product with _________.
- 14. Something that enters into the reaction.
Down
- 1. The opposite of above-one compound breaks into its parts.
- 2. Activation energy is the __________ amount of energy the reactant particles must have in order for a reaction to occur.
- 4. Two element pairs "switch partners."
- 5. An acid and base come together to make water and salt.
- 7. The rate of a chemical reaction is a measure of change in concentration per __________.
- 9. Something that is produced by the reaction.
- 11. A process in which one or more substances are converted into new substances.
- 12. Everything that enters a reaction must come out of the reaction, however the ___________ of the substance might be changed.
- 15. The man who calculated the number 6.022x10^23 who was an Italian chemist and physicist.