Across
- 1. carbon is not a
- 4. what kind of metal is Radium
- 6. what is the atomic number of Tellurium
- 8. what is the atomic number of Mercury
- 10. what is the atomic mass of Boron
- 12. what is the atomic mass of oxygen
Down
- 2. what kind of metal is Hydrogen
- 3. what does Cl stand for
- 5. Copper has an atomic number of
- 7. what does Sn stand for
- 9. what does Pb stand for
- 11. what is the atomic number of oxygen
- 13. what is the atomic number of Fluorine