Across
- 3. these elements make very good conductors
- 7. the type of attraction between charged objects
- 9. this type of material does not have free electrons to carry electrical charge
- 10. a positive and negative charge will react to each other in this way
Down
- 1. 2 positive charges will react to each other in this way
- 2. atoms with equal numbers of protons and electrons have this type of charge
- 4. this type of electricity builds up on the surface of objects
- 5. this particle in an atom carries a negative charge
- 6. this type of material has free electrons to carry electrical charge
- 8. this particle in an atom has a positive charge