Across
- 3. horizontal rows
- 4. gas from a solid or liquid at room temperature
- 8. molecule with only two atoms
- 9. speeds up the rate of a chemical reaction
- 10. two atoms attracted to each other
- 11. set volume
- 16. different bonded atoms
- 18. gas to liquid
- 21. arrangement of elements into a table
- 23. tiny particles of matter
- 24. easily becomes a gas
- 25. three dimensional arrangement of particles in a regular pattern
- 27. chemical that helps chemical reactions
- 28. solid to gas or gas to solid
Down
- 1. pure substance, only one atom
- 2. two or more bonded atoms
- 5. solid to liquid
- 6. particles collide when substances react
- 7. metal damaged by the environment
- 9. makes new chemicals
- 12. single atom
- 13. more then two different types of bonded atoms
- 14. same bonded atoms
- 15. dangerous gas
- 17. chain of many simpler repeating units
- 19. evaporate
- 20. substances on the left side of a chemical equation
- 21. result of a chemical reaction
- 22. liquid to gas
- 26. vertical columns