1. A substance that does not allow electrons to pass through it is called _______.   a conductor   an insulator   an inductance   Hint Half-n-half Clue   2. The charge on an electron is _______.   neutral   negative   positive   Half-n-half Clue   3. An atom that is deficient in electrons is called a positive _______.   ion   valency   radical   Half-n-half Clue   4. Name the law: 'The sum of the total electrons in a system is a constant quantity'   Law of Conservation of Momentum   Law of Conservation of Matter   Law of Conservation of Electric Charges   Half-n-half Clue   5. When an ebonite rod is rubbed with cat's skin,it gets ...   positively-charged   negatively-charged   remains neutral   Half-n-half Clue   6. When a glass rod is rubbed with silk, the electrons are transferred ...   from the silk to the glass rod   from the glass rod to the silk and vice versa   from the glass rod to the silk   Half-n-half Clue   7. _______ charges attract each other.   Unlike   Like   Similar   Half-n-half Clue