Ice. Image 1 of 3. Artwork of the hexagonal crystal structure of solid water (ice). The atoms are shown as balls here, and are colour coded: oxygen (r
Ice. Image 1 of 3. Artwork of the hexagonal crystal structure of solid water (ice). The atoms are shown as balls here, and are colour coded: oxygen (red) and hydrogen (yellow). Water has the formula H2O. Each oxygen atom is bonded to two hydrogen atoms. The oxygen atom has a slight negative charge, and the hydrogen atoms have small positive ones. This means a hydrogen from a neighbouring water molecule can form a weak bond known as a hydrogen bond to an adjacent oxygen. This leads to the rigid crystal structure of ice. For water as a liquid and as it evaporates, see images A504/088 and A504/089 respectively.
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Photo credit: © JON LOMBERG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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