Across
- 1. a reaction in which one element or radical takes the place of another element or radical in a compound
- 5. the relative number of moles of the substances required to produce a given amount of product in a chemical reaction
- 9. the energy released when a chemical compound reacts to produce new compounds
- 12. an atom or a group of atoms that has one unpaired electron
- 13. a chemical reaction that requires energy input
- 16. a chemical reaction in which energy is released to the surroundings as heat
- 17. a substance or molecule that participates in a chemical reaction
- 18. any chemical change in which one species is oxidized(loses electrons) and another species is reduced(gains electrons); also called redox reaction
Down
- 2. a molecule, either protein or RNA, that acts as a catalyst in biochemical reactions
- 3. a substance that changes the rate of a chemical reaction without being consumed or changed
- 4. a reaction in which a gas, solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds
- 6. a part, substance, or element that lies beneath and supports another part, substance, or element; the reactant in reactions catalyzed by enzymes
- 7. a reaction in which two or more substances combine to form a new compound
- 8. a reaction in which a single compound breaks down to form two or more simpler substances
- 10. a substance that forms in a chemical reaction
- 11. the oxidation reaction of an organic compound, in which heat is released
- 14. a state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged
- 15. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products