1. Farad is a unit of _______.   charge   current   capacitance   Hint Half-n-half Clue   2. The charges on 6.242 x 1018 electrons is equal to about ...   1 Coulomb   10 Coulombs   1 Ampere   Half-n-half Clue   3. A substance that does not allow electrons to pass through it is called _______.   a conductor   an insulator   an inductance   Half-n-half Clue   4. The central core of an atom is also referred to as the _______.   neutron   orbit   nucleus   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. In a neutral atom, the number of electrons is equal to the number of _______.   neutrons   orbits   protons   Half-n-half Clue   7. When the water vapor in the atmosphere condenses and clouds are formed, these clouds contain large amounts of _______ charges.   lightning conduction   water   static electric   Half-n-half Clue