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Unformatted text preview: So there is a weak attraction between atoms. The molecules of water H20 is held together by covalent bonds but each water molecule is hydrogen bonded to its neighboring molecule.-ice floats in water water expands when it forms ice, ice is less dense than surrounding water Te water molecules in ice form a relatively open (lower density) structure in order to have the most amount of hydrogen bonds. The volume increase is about 9%-icebergs float-ice forms pothole-need anti freeze in car-main chemical properties of ceramics is that they tend to be brittle and break...
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- Spring '10