Across
- 3. a single electrode submerged in a solution of its ions
- 5. the mor active an element is, the (blank) its tendency to lose electrons and a better reducing agent it is
- 7. a process in which a substance acts as both an oxidizing agent and a reducing agent
- 9. a battery that combines the oxidation-reduction chemistry of both voltaic and electrolytic cells
- 14. a reaction in which elements undergo changes in oxidation numbers
- 15. the process of passing a current through a cell for which the cell potential is negative causing an oxidation-reduction reaction to occur
- 16. a substance that has the potential to cause another substance to be reduced is a reducing (blank)
- 17. a conductor used to establish electrical contact with a nonmetallic part of a circuit such as an electrolyte
- 18. assigning oxidation numbers is the (blank) step in balancing redox reactions
- 19. oxidation is losing reduction is gaining
- 20. processes in which the oxidation state of an element decreases
- 22. (blank) cells use spontaneous oxidation-reduction reactions to convert chemical energy to electrical energy [galvanic cells]
Down
- 1. a substance that has the potential to cause another substance to increase in charge is a(n) (blank) number
- 2. the branch of chemistry that
- 4. an electrolytic process in which a metal is reduced and a solid metal is deposited on a surface
- 6. the part of a reaction involving oxidation or reduction alone is a (blank) reaction
- 8. the potential of a half-cell under standard conditions measured relative to standard hydrogen electrode is (blank) electrode potential
- 10. the electrode where reduction occurs
- 11. an electrochemical cell that requires an external source of electrical energy to drive a chemical reaction that would not otherwise occur
- 12. the electrode where oxidation occurs
- 13. with electricity related applications of oxidation-reduction reactions
- 21. processes in which the atoms or ions of an element experience an increase in oxidations state