Across
- 5. Number 2 on the periodic table
- 9. Number 7 on the periodic table
- 11. Number 1 on the periodic table
- 12. The same number as protons
- 13. The number in the top corner is called
- 15. Has all of the elements on it
Down
- 1. Number 8 on the periodic table
- 2. The atomic number is 14
- 3. Atomic mass is 18.998
- 4. Atomic mass is 20.18
- 6. A mixture between a metal and a non-metal
- 7. The number at the bottom is called
- 8. Atomic mass is 6.941
- 10. Atomic mass is 12.01
- 14. Atomic mass is 10.81