Across
- 2. What needs Heat, Oxygen and Fuel
- 5. Carbon Dioxide
- 6. Atoms of the same element with the same number of protons but different number of neutrons
- 8. What does Mono mean?
- 10. A fuel ______ energy
- 11. What are the columns called on a periodic table
- 13. Metals are good ______ of electricity.
- 14. Na
Down
- 1. ________ are the starting materials in a chemical reaction.
- 3. Outer shell
- 4. Another word for burning
- 6. Iron+Oxygen=
- 7. H2O
- 9. _______ are the final substances produced after the reaction has occured.
- 12. What element has the Electron configuration 2,3