| A | B |
|---|
| protons | positively charged sub-atomic particle |
| electrons | negatively charged sub-atomic particles |
| neutrons | neutral sub-atomic particle |
| opposite charges | attract |
| like charges | repel |
| law of electric charges | interaction of charges |
| electric force | force between charged objects |
| electrical field | region around a charged object that affects other charged objects |
| static electricity | stationary electric charge caused by friction |
| Equal | # of electrons & protons in an atom |
| atom gains electrons | becomes negatively charged |
| atom loses electrons | becomes positively charged |
| conductor | material in which electrical charges move easily |
| insulator | material that prevents the flow of electrical charges |
