Across
- 4. properties of both metals and nonmetals
- 7. not a metal
- 8. a science
- 9. not a nonmetal
- 10. a row
- 11. up and down
Down
- 1. smallest building block of matter
- 2. positive subatomic particle
- 3. a type of matter
- 5. negative subatomic particle
- 6. nuetral subatomic particle
