periodic table
Across
- 3. i have 18 protons
- 5. my element symbol is Ag
- 6. i am the liquid in a thermometer
- 8. i am the H in H2O
- 10. i have an atomic number of 19
- 12. my atomic mass is 40.078
- 13. i have 3 protons
- 17. i have 2 protons
- 18. i am the gas in neon signs
- 20. my element symbol is Pb
Down
- 1. i am a transion metal that has 46 protons
- 2. i am a gas that has 35 protons
- 4. i have 96 protons
- 7. i have 27 protons
- 9. my element symbol is Au
- 11. i have 22 protons
- 14. my element symbol is Fe
- 15. my element symbol is Ni
- 16. i have an atomic mass of 65.38
- 19. i have an atomic mass of 226