Across
- 2. - the metric unit of work or energy
- 6. - the number of protons in the nucleus
- 8. - protons and electrons are equal
- 9. - the charge in motion
- 11. - the motion of positive charges
- 14. - Electrons are distributed in them
- 15. - refers to the possibility of doing work
- 16. - the path for current flow
- 17. - Electrons move easily from one atom to the next
- 19. - Electrons stay in their orbits
Down
- 1. - flows in reverse direction
- 3. - not a great conductor or insulator
- 4. - the positive charge of an atom
- 5. - the number of electrons in an in complete outermost shell
- 7. - the opposition to the flow of current
- 10. - flows in one direction
- 12. - the negative charge of an atom
- 13. - the unit of resistance
- 18. - the unit of potential difference