Across
- 2. a molecule that contains a pair of atoms
- 4. ice to water
- 5. pure substance made of a singular atoms
- 9. a strong smell from gas
- 10. long line of molecules made by simple repetitive units
- 11. similar to a particle but cant be destroyed or broken
- 12. chemical which speeds up the chemical reaction
- 13. a molecule that contains 2 or more same atoms
- 16. a substance that can make a chemical reaction happen faster
- 19. when substances move they have to touch eachother
- 21. the damage caused to something by the enviroment
- 22. molecule that contains 2 or more different atoms bonded together
- 24. 1 atom
- 25. two objects stay together
- 26. two atoms formed togethre become a...
- 28. to transform into a gas
Down
- 1. 3 dimensional arrangement in particles
- 3. same outcome as chemical change
- 4. group of two or more atoms paired together
- 6. vertical columns in a periodic table
- 7. On the left side of an arrow
- 8. Water does this when it has hit 100 degrees celsius
- 14. how many substances are in a volume
- 15. Part of the 3 states of matter solid, liquid and ....
- 17. Ice to dry ice
- 18. Write side of a chemical equations
- 20. easily changed due to normal room temperatures
- 23. when water vapour turns to water
- 27. the horizontal rows of periodic table
- 29. table- elements put into a table by their chemical properties