Water molecules consist of one molecule of oxygen (red) bonded to two molecules of hydrogen. The oxygen tends to hog the electrons, making water a polar molecule. This polarity causes the molecules to clump together, which accounts for the peculiar attributes of water.
Illustration ID: WATER_molecule_ball_and_stick_1
Author: Russell Kightley
copyright Russell Kightley
Illustration size: 25.0 Mpixels (71.5 MB uncompressed) - 5000x5000 pixels (16.6x16.6 in / 42.3x42.3 cm at 300 ppi)