Across
- 7. mass cannot be created or destroyed in ordinary chemical and physical changes
- 8. the process by which one or more substances change to produce one or more different substances
- 9. the oxidation reaction of an organic compound, in which heat is released
- 12. rate the rate at which a chemical reaction takes place; measured by the rate of formation of the product or the rate of disappearance of the reactants
- 13. a substance that forms in a chemical reaction
- 16. a reaction in which two or more substances combine to form a new compound
Down
- 1. a reaction in which one element or radical takes the place of another element or radical in a compound
- 2. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
- 3. the energy released when a chemical compound reacts to produce new compounds
- 4. a chemical reaction in which heat is released to the surroundings
- 5. a substance or molecule that participates in a chemical reaction
- 6. This happens when the reactant ion changes places to form a new product.
- 9. a substance that changes the rate of a chemical reaction without being consumed or changed significantly
- 10. a chemical reaction that requires heat
- 11. a reaction in which a single compound breaks down to form two or more simpler substances
- 14. a solid that is produced as a result of a chemical reaction in solution
- 15. a small whole number that appears as a factor in front of a formula in a chemical equation