Chemistry Review

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