1. Static Electricity

3. orbiting the nucleus negative (-) electron nucleus no charge (0) neutron nucleus positive (+) proton Location Electric Charge Particle

7. Electric Charge + — Law of attraction: opposite charges attract

8. Electric Charge Law of repulsion: like charges repel + — + —

9. Electric Charge A charged object and a neutral object will attract each other 0 0 + —

14. Electron Affinity human skin rabit fur acetate glass human hair nylon wool cat fur silk paper cotton wood amber rubber balloon vinyl polyester ebonite + - tendency to lose electrons tendency to gain electrons

16. Insulators In an insulator, the electrons (-) are bound tightly to the nuclei (+) so they resist movement + — + — + — + — + — + — + —

17. Common Insulators

18. Conductors In a conductor, the electrons are not as tightly bound to the nuclei and can therefore move away from the nuclei + — + — + — + — + — + — + —

19. Common Conductors

24. Static Electricity