Across
- 3. Negatively charged Ion
- 5. Group 1A of Periodic table
- 8. Iron is part of the ... Metals
- 9. Fe
- 14. A+B->AB
- 17. Surname of man who invented Atomic theory
- 18. Go vertical on the Table
- 19. AB->A+B
- 22. Is the product of two elements
- 24. When reaction has fire or heat
- 25. Go horizontal on the Table
- 26. Amount of Protons in Hydrogen
- 27. Periodic Table of..?
Down
- 1. When a metal meets oxygen
- 2. Is the sign/word for radiation
- 4. CO2
- 6. Amount of Protons in Fe
- 7. H2O
- 10. Something Bohr
- 11. Copper is good at ... Electricity
- 12. Smallest Atom
- 13. Ag
- 15. Au
- 16. Cu
- 20. Positvely charged Ion
- 21. First period has, how many atoms?
- 23. Who invented the Periodic table?