Across
- 2. bonding When a metal and no metal bond
- 5. NaCl is an example of a compound.
- 8. _______ is an example of a mixture we can find it at a beach
- 10. The number of protons
- 13. First element on periodic table
- 14. NaCl
- 15. _______ is a mixture used for our teeth
- 16. Make a negative charge in the atom
- 18. Ag is an example of an ___________
- 20. Make a positive charge in the atom
Down
- 1. An example of a noble gas is_______2nd element
- 3. We breathe this in
- 4. First proposes an atomic theory
- 6. creator of the periodictable
- 7. Mass of the atom
- 9. Studied radioactivity was Polish
- 11. bonding All nonmetal bonding
- 12. Dioxide We breathe this out
- 17. Make a neutral charge in the atom
- 19. This is a metal used for jewelry