Across
- 4. Two examples are chlorine and bromine
- 6. A poisonous gas that is heavier than air
- 7. The colour of universal indicator in a basic solution
- 8. Columns are called _________
- 10. A metal that reacts explosively with water
- 11. The element in group 2, period 4
- 14. This group of metals have the 'typical' physical properties of metals
- 15. The most reactive halogen
- 16. The type of solution formed when a non-metal oxide is dissolved in water
Down
- 1. Burns with a bright white flame
- 2. An unreactive gas that is lighter than air
- 3. A yellow non-metal
- 5. The state of most elements at room temperature
- 9. The product of the reaction between sodium and oxygen
- 12. Metals __________ heat and electricity
- 13. METALS This group of elements must be stored under oil so they don't react with the air