Across
- 8. The overall charge of an atom
- 9. A chemical reaction that takes in energy from it's surroundings
- 11. An element that has the same number of protons but different number of neutrons
- 12. During a neutralisation reaction water and ? are always formed
- 13. The actual amount of product made in a chemical reaction
- 16. The total Mr of a compound
- 18. A reaction that transfers energy to it's surroundings
- 19. The smallest particle
- 20. The ratio of elements in a compound
- 21. Another word for the outer shell of electrons
Down
- 1. All alkalines contain these.
- 2. A bond made between two non metals
- 3. The maximum amount of product made in a chemical reaction
- 4. No mass is lost during a chemical reaction
- 5. An allotrope of carbon that forms 4 strong covalent bonds
- 6. A bond made between a metal and a non-metal
- 7. The mass of an electron
- 10. The At of an element
- 14. The total Mr of a compound in grams
- 15. The charge of a proton
- 17. An allotrope off carbon that has free delocalised electrons
- 22. The amount of product made in a chemical reaction