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Water
Water
Water
Water
Water
Water
Water
Water
Water
Water
Water
Water
Water
Water
Water
Water
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Water

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Transcript

  • 1. Water H2O 2 hydrogen atoms, 1 oxygen atom It’s a compound
  • 2. Water Covalent compound Sharing valence electrons (Ve ) Sharing Ve- unequally -
  • 3. Water  “H” side tends to be pos.  “O” side tends to be neg.  Like tiny “magnets”  Polar
  • 4. Water  Cohesion- attraction of the liquid molecules to themselves
  • 5. Water  Adhesion- attraction of the liquid molecules to other molecules
  • 6. Penny Surface
  • 7. Surface Tension of the surface  Pulling together molecules of a liquid  Water has high surface tension
  • 8. Surface Tension Water’s surface has a “skin” A small force will not break the “skin”
  • 9. Edge of paperclip
  • 10. Surface Tension In glass, water curves ‼ In glass, water curves up the sides ‼Meniscus

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