Biology Vocab

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Across
  1. 9. liquid flows through tight spaces without external forces
  2. 11. Does not have negative or positive charge
  3. 13. Hydrogen bonds between water molecules increasing volume in water when frozen
  4. 14. weak attraction between polar molecules
Down
  1. 1. molecules of the same type sticking together
  2. 2. an organism that has characters of life
  3. 3. a bond that occurs when two atoms share a valence electron
  4. 4. a chemical bond that forms between a positive and a negative charged ion
  5. 5. 2 or more atoms covalently bonded
  6. 6. organisms physical environment
  7. 7. liquid surface creating an elastic skin making it resist outside forces
  8. 8. 2 or more elements bonded
  9. 10. Force of attraction between molecules
  10. 12. unequal distribution of electrons