Across
- 2. the fragments of molecules that have at least one electron available for bonding
- 3. the decomposition of a compound by an electric current
- 4. a substance that is the result of a chemical change
- 5. a substance that changes the rate of chemical reactions without being consumed
- 6. a reaction in which atoms of one element take the place of atoms of another element in a compound
- 7. a reaction that transfers energy from the reactants to the surroundings as heat
- 8. a reaction in which one compound breaks into at least two products
- 11. a reaction in which energy is transferred to the reactants as heat from the surroundings
- 13. the state in which a chemical reaction and its reverse occur at the same time and at the same rate
- 15. a protein that speeds up a specific biochemical reaction
- 16. a reaction of at least two substances that forms a new more complex compound
- 17. a substance that undergoes a chemical change
- 18. an equation that uses chemical formulas and symbols to show the reactants and products in a chemical reaction
Down
- 1. a reaction in which a gas, a solid precipitate, or a molecular compound is formed from the apparent exchange of ions between two compounds
- 9. a reaction in which a compound and oxygen burn
- 10. the energy stored within atoms and molecules that can be released when a substance reacts
- 12. a reaction that occurs when electrons are transferred from one reactant to another
- 14. the specific substance affected by an enzyme