| A | B |
| voltaic cells | any device that converts chemical energy into electrical energy or electrical energy into chemical energy |
| cathode | the electrode at which reduction occurs |
| dry cell | a commercial voltaic cell in which the electrolyte is a moist paste |
| battery | a group of voltaic cells that are connected together |
| electrochemical cell | electrochemical cells used to convert chemical energy into electrical energy |
| anode | the electrode at which oxidation occurs |
| battery | the measure of a cell's ability to produce an electric current |
| electrical potential | the tendency of a given half-reaction to occur as a reduction |
| reduction potential | a reaction having a positive cell potential |
| spontaneous reaction | the standard reduction potential of the hydrogen electrode |
| 0.00 V | the difference between the reduction potentials of the two half-cells |
| cell potential | the process in which electrical energy is used to make a nonspontaneous reaction go forward |
| electrolysis | an electrochemical cell used to cause a chemical change through the application of electrical energy |
| electrolytic cell | a concentrated solution of sodium chloride |
| brine | the deposition of a thin layer of metal on an object in an electrolytic cell |
| electroplating | the deposition of a thin layer of metal on an object in an electrolytic cell |
| electro refining | an electrolytic method for obtaining ultrapure metals |
| salt bridge | tube containing a strong electrolyte used to balance charges between the half-cells of a voltaic cell |