51.0 MB (17.1 MB compressed)
4864 x 3663 pixels
41.1 x 31.0 cm ⏐ 16.2 x 12.2 in (300dpi)
KALLISTA IMAGES / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY KALLISTA IMAGES / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Liquid water. Molecular graphic of the structure formed by liquid water. Water molecules have one oxygen atom (red) and two hydrogen atoms (white). Each molecule is neutral, but the oxygen has a small negative charge and the hydrogens are slightly positive. The hydrogens are attracted to oxygens in nearby molecules, forming weak hydrogen bonds. Between 0 and 100 degrees Celsius, the molecules have enough thermal energy to break some of the hydrogen bonds. Water therefore forms a fluid which is a mixture of bonded clusters and individual molecules.
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