Chemistry

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Across
  1. 2. molecule with a charge imbalance (like H20)
  2. 3. London ____ forces
  3. 6. type of bond in which electrons are shared
  4. 7. the combined weight of an atom's protons and neutrons
  5. 10. same element with different no. of neutrons
  6. 12. corresponds to the number of protons
  7. 14. fundament unit of matter
  8. 15. atom with a net (+) charge
Down
  1. 1. strong bond in which electrons are transferred
  2. 4. protons and neutrons live here
  3. 5. pos. charged particle, contributes mass
  4. 8. atom with a net (-) charge
  5. 9. neg. charged particle responsible for bonding/chemistry
  6. 10. a charged atom
  7. 11. bond btw H and a highly electronegative element (N,O,F)
  8. 13. particle with no charge. contributes mass