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This series of images depicts past and present theories
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This series of images depicts past and present theories regarding the placement of molecules . . .

April 14, 2010
This series of images depicts past and present theories regarding the placement of molecules in water.

Each individual water molecule is linked to four of its neighbors in many current models of the liquid (depicted on left). However, new results suggest most water molecules are linked strongly to only two others. This implies that liquid water molecules may be arranged in rings (middle) or chains (on the right) that are clustered together by additional, weaker hydrogen bonds. The oxygen atoms are shown in red and the hydrogen atoms in grey in the water (H2O) molecules that are pictured.


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