Across
- 2. What chemical is used to clean pools?
- 5. At what temperature does water freeze?
- 8. Whats the first element on the periodic table
- 9. What gas makes balloons fly?
- 10. What element has the symbol Au?
- 11. Xenon and Krypton are two out of three chemicals to make a light bulb, what is the last chemical?
- 12. Of what chemical is there the most of in the atmosphere?
Down
- 1. What metal shares a name with popular singer from the 80s?
- 3. What is the main chemical used to make phone batteries?
- 4. What element is given to 2nd place winners in the Olympics?
- 6. What is the thing we breathe in?
- 7. What is the strongest metal in the world?
- 13. What is Oxygen's chemical formula?