Across
- 6. Ten
- 7. A combination of non-metals
- 9. What is Ytterbium
- 11. JJ Thomson
- 16. The most reactive non-metals
- 17. Neutron
- 18. Copper and Tin
- 21. Organization of elements
- 23. A combination of one metal and one non-metal
- 25. Mercury and Bromine
- 26. Positively charged atom
Down
- 1. The number of atoms
- 2. The formula that identifies the elements in the compound
- 3. Billiard Ball Model
- 4. Nine
- 5. Vertical row of elements
- 8. Ernest Rutherford
- 10. Atomic mass of 207.2
- 12. To go
- 13. Juice of plant
- 14. Proton
- 15. Seven
- 19. The smallest part of an element
- 20. Horizontal row of elements
- 22. Quantum Mechanics
- 24. Negatively charged atom