Across
- 2. Properties of both metals and non metals
- 5. arrangement of all chemical elements
- 8. determines an elements reactivity
- 10. Neutrally charged particles
- 11. Represents the amount of protons in an element
- 12. Positively charged particles
Down
- 1. Found in the electron cloud
- 3. Horizontal columns on the periodic table
- 4. Luster, malleable, ductile, good conductivity
- 6. Vertical columns on the periodic table
- 7. Total number or protons and neutrons
- 9. Dull, brittle, poor conductivity