1. An atom that is deficient in electrons is called a positive _______.   ion   valency   radical   Hint Half-n-half Clue   2. Farad is a unit of _______.   charge   capacitance   current   Half-n-half Clue   3. A substance that does not allow electrons to pass through it is called _______.   an inductance   a conductor   an insulator   Half-n-half Clue   4. The tendency of electrons to move from one point to another on a conductor is dependent on the difference in _______ of those points.   electrical capacitance   electrical potential   electrical wattage   Half-n-half Clue   5. The force of attraction or repulsion between two charged bodies operates even when these bodies are placed in vacuum.   True   False   6. Name the type of electricity produced by friction.   static electricity   frictional electricity   stagnant electricity   Half-n-half Clue   7. Some electrons (in metals) move very easily from one atom to another and are called _______ electrons.   static   free   bound   Half-n-half Clue