Across
- 1. negative ion
- 4. smallest unit of matter
- 7. negative subatomic particle
- 8. force force between opposing charges
- 9. nuclear force force that holds the nucleus together
- 10. positive ion
Down
- 2. bond chemical bond between a metal and nonmetal
- 3. bond chemical bond between 2 nonmetals
- 5. positive subatomic particle
- 6. neutral subatomic particle