Water properties

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Across
  1. 2. positive charge
  2. 3. no charge
  3. 7. part of a substance that has physical and chemical properties
  4. 11. magnetic pull between two opposite charged ions
  5. 12. negative charge
  6. 14. number of neutrons and protons
  7. 16. has mass and takes up spaces
  8. 17. space from the nucleus where electrons can be found in an atom
  9. 18. how hot or cold the environment is
  10. 19. when atoms lose/gain electrons
  11. 20. allows bonding between water molecules
Down
  1. 1. molecules that have a tendency to stick together
  2. 4. a measurement to show how difficult it is to break the surface of a liquid
  3. 5. most important/central part
  4. 6. a mixture of more that one substance
  5. 8. a substance that has two or more substances
  6. 9. when molecules in high concentration to the lower area of concentration
  7. 10. a evaporating substance that leaves the remaining cooled down
  8. 13. sharings between atoms and electrons
  9. 14. the number of protons
  10. 15. substance that can't be broken down to other substances