Across
- 3. Contains only one type of atom
- 4. Used in a power station for the generation of electricity
- 7. New material formed in a chemical reaction
- 10. Natural fuel formed in the geological past from the remains of a living organism
- 12. Heat being obtained
- 14. An insoluble solid that emerges from a liquid solution
- 16. synonym: power
- 17. Heat being released
- 21. The process of which organisms use sunlight to synthesise nutrients from carbon and water
- 22. An ____ is a atom that has unequal parts electron and proton
- 23. 2x Hydrogen and 1x Oxygen Compound
- 24. Mixture of different elements, to make something else
- 25. Mixture composed of two or more substances
- 27. A ________ is made up of protons and neutrons
- 28. a substance that takes part in change during a reaction
Down
- 1. Rapid combination of a substance with oxygen
- 2. A substance that is produced/used in a process, involves changes to atoms and ions
- 5. A compound of Hydro and Carbon
- 6. Chemical decomposition produced by passing a electric current
- 8. ____________ can be used to purify water or other substances
- 9. A chemical compound that conducts electricity. e.g. sodium chloride
- 11. Gold element
- 13. The rate in which heat passes through a specified material
- 15. A proton emits a ________ charge
- 18. Negative charge
- 19. An __________ substance is a solid that will not dissolve in a solvent
- 20. Neutral charge
- 21. Latent qualities that my lead to future success or unusefulness
- 26. The smallest particles we know