Across
- 8. Gives oxygen to another substance
- 9. The horizontal rows in the periodic table are known as...
- 11. Acids contain... (ions)
- 12. An example of an endothermic reaction
- 15. A gas that turns limewater cloudy
- 16. The change of state from solid to gas
- 17. Alkalis contain... (ions)
Down
- 1. An example of an exothermic reaction
- 2. The middle block of the periodic table is called the...
- 3. A solution with a pH value less than 7
- 4. The number of bonds that can form
- 5. What substance do acids need to to give their typical acid reactions?
- 6. The change of state from a gas to a liquid
- 7. A reaction with oxygen to release energy
- 10. The gain of oxygen
- 13. The vertical columns in the periodic table are known as...
- 14. Group 1 metals get ... reactive down the group