Chemical Reactions

2. the starting substance that undergoes change in a chemical reaction
3. a substance that speeds up a chemical reaction without being consumed in it
4. Reaction a chemical reaction involving both reduction and oxidation processes
6. the new substance formed as a result of a chemical reaction
7. a reaction that releases heat energy to the surroundings
9. the gradual destruction of metals by reaction with moisture, air, or chemicals
12. the chemical decomposition of a substance by passing an electric current through it
14. Displacement Reaction a reaction in which one element replaces another in a compound
15. Equation a chemical equation that shows only the symbols and formulas of the reactants and products without balancing
16. the gain of electrons or loss of oxygen by a substance in a chemical reaction

1. Chemical Equation a chemical equation in which the number of atoms of each element is equal on both sides
5. a reaction that absorbs heat energy from the surroundings
6. a decomposition reaction caused by the absorption of light
8. Reactions a process in which one or more substances are converted into new substances with different properties
10. Reaction a reaction in which a single compound breaks down into two or more simpler substances
11. Reaction a reaction in which two or more substances combine to form a single product
13. a decomposition reaction brought about by heat