Across
- 1. Same as relative atomic mass
- 8. The total number of electrons that an atom either gains or loses
- 10. The ions are packed together in a regular arrangement
- 11. An increase in the oxidation number
- 14. Occurs between non-metal atoms and the bond formed
- 17. An amount of how much electrons can through
- 19. The average mass of the isotopes
- 20. Used for ionic compounds
- 21. The bonding occurs between metals
Down
- 2. A substance that reduces another substance and is itself oxidised
- 3. Simultaneous oxidation and reduction
- 4. A reduction in the oxidation number
- 5. Molecules that have lost one or more electrons
- 6. A very hard substance
- 7. The oxygen atoms with extra-negatively-charged electrons
- 9. A strong electrostatic attraction
- 12. Can be measured in g/dm^3 or mol/dm^3
- 13. A substance of pencils
- 15. The degree of compactness of a substance
- 16. A substance that oxidises another substance and is itself reduced
- 18. Same as relative atomic mass