Across
- 3. releases ions in order to keep half cells neutral
- 4. produces OH- ions in solution
- 6. negatively charged particle
- 12. type of bond with a low melting point and no conductivity
- 13. a measure of the tendency of an atom to attract a bonding pair of electrons
- 15. A substance that breaks up into ions (particles with electrical charges) when it is dissolved in water or body fluids
- 16. different forms of the same element (eg carbon graphite/diamonds)
- 18. a measurement of how much solute per unit of solution
- 19. positivly charged particle
- 20. mass/volume
- 21. produces H+ ions in solution
Down
- 1. Lowers the activation energy of a reaction and provides and alternative pathway
- 2. another way to describe a covalent bond
- 5. randomness
- 7. atoms with the same number of protons but a different number of neutrons
- 8. type of bond with a high melting point and conductivity in a liquid or aqueous state
- 9. reaction which releases energy
- 10. group 17
- 11. Average kinetic energy
- 14. a mixture with water
- 17. reaction which absorbs energy