Across
- 3. The SI unit of potential difference.
- 6. The process by which an electrical current is used to drive an otherwise nonspontaneous redox reduction.
- 13. An empty molecular orbital in a semiconductor.
- 14. A measure of the difference in potential energy per unit of charge.
- 15. An orbital whose electrons remain localized on an atom.
- 16. A mathematical procedure in which standard atomic orbitals are combined to form new, hybrid orbitals.
- 20. The molecular geometry of a molecule with octahedral electron geometry and one lone pair.
- 24. The electrode in an electrochemical cell where oxidation occurs.
- 25. The bond that forms between two p orbitals that overlap side to side.
- 28. The electrode in an electrochemical cell where reduction occurs.
- 30. A conductive surface through which electrons can enter or leave a half-cell.
- 32. A type of semiconductor material that produces an electric current when it is exposed to light.
- 34. A local molecular geometry where the bond angle is less than 180-degrees.
- 35. In solids, a higher energy set of normally empty molecular orbitals that are involved in electrical conduction.
- 37. A molecular orbital that is higher in energy than any of the atomic orbitals from which it was formed.
- 38. The molecular geometry of a molecule with trigonal bipyramidal electron geometry and two lone pairs in axial positions.
- 40. A device in which a chemical reaction either produces or is carried out by an electrical current.
- 41. The molecular geometry of five atoms with 109.5-degree bond angles.
Down
- 1. In solids, a lower energy set of filled molecular orbitals.
- 2. The force that results in the motion of electrons due to a difference in potential.
- 4. The molecular geometry of three atoms with a 180-degree bond angle due to the repulsion of two-electron groups.
- 5. A general term for long pairs, single bonds, multiple bonds or lone electrons in a molecule.
- 7. Devices composed of photovoltaic materials that are used to produce electricity from light.
- 8. The flow of electric charge.
- 9. An energy gap that exists between the valence band and conduction band of semiconductors and insulators.
- 10. The molecular geometry of four atoms with 120-degree bond angles in a plane.
- 11. For a molecule, the number of electrons in bonding orbitals minus the number of electrons in nonbonding orbitals divided by two.
- 12. The resulting bond that forms between a combination of any two s, p, or hybridized orbitals that overlap end to end.
- 17. An electrochemical cell that uses electrical current to drive a nonspontaneous chemical reaction.
- 18. orbitals formed from the combination of standard atomic orbitals that correspond more closely to the actual distribution of electrons ina chemically bonded atom.
- 19. The molecular geometry of a molecule with tetrahedral electron geometry and one lone pair.
- 20. The molecular geometry of a molecule with trigonal bipyramidal electron geometry and one lone pair in an axial position.
- 21. The potential difference between the cathode and the anode in an electrochemical cell.
- 22. One half of an electrochemical cell where either oxidation or reduction occurs.
- 23. Set of empty molecular orbitals that are slightly higher in energy than the valence band in a semiconductor material.
- 26. From quantum theory, probability distribution maps for the electrons as they exist within atoms.
- 27. The molecular geometry of six atoms with 120-degree bonds between the three equatorial electron groups and 90-degree bond angles between the two axial electron groups and the trigonal plane.
- 29. The geometrical arrangement of electron groups in a molecule.
- 31. The geometrical arrangement of atoms in a molecule.
- 33. A voltaic cell that uses the oxidation of hydrogen and the reduction of oxygen, forming water, to provide electrical current.
- 36. Set of occupied molecular orbitals that are slightly lower in energy than the conduction band in a semiconductor material.
- 39. A device that allows the flow of electrical current in only one direction.