Across
- 3. a chain of molecules repeated
- 5. a substance of a chemical reaction
- 9. molecule that has only di-atoms
- 11. from gas to liquid
- 12. to go from ice to water
- 14. the horizontal rows of elements on a periodic table
- 15. the table of grouped elements
- 18. a molecule that contains same bonded atoms
- 21. when metal rusts
- 24. bonded atoms
- 25. a molecule with multiple bonded atoms
- 27. to go straight from a solid to gas vice versa
- 28. to evaporate
Down
- 1. gas that forms from a boiling liquid
- 2. particles arranged in a 3d gridwork pattern
- 3. the end result of a chemical reaction
- 4. a pure substance consisting of one atom
- 6. collision for reaction
- 7. subatomic particles needed to form it
- 8. easy to become a gas
- 10. the production of new chemicals
- 13. when water evaporates
- 16. a dangerous vapour that isn't good to inhale
- 17. a material that makes the tempo of a chemical reaction faster
- 19. a close gathering of substances
- 20. multiple bonded atoms
- 22. a column of elements in the periodic table
- 23. multiple things conjoined
- 26. 1 single atom
- 29. a chemical that speeds up the process of a chemical reaction