Across
- 2. Has atomic number of 79
- 5. is a gas
- 6. molecules that are a combination of 2 or more elements
- 9. the sign H
- 11. change one of the 2 changes
- 12. the symbol for iron
- 13. a type of movement
- 14. we need it to survive
- 15. when atoms combined
Down
- 1. the surface of an object
- 3. incredibly small partials to small to be seen
- 4. can take the shape or form of anything
- 7. we breathe it in
- 8. one of the only liquids in the periodic table
- 10. gas that smells
- 11. table where you can see all the elements
- 13. cannot be broken down
- 14. a increased temperature
- 16. the sign for carbon dioxide
- 17. something that cant change its shape