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Oxygen molecule, O2, #7
Oxygen comprises about a fifth of the air we breathe. It is essential to life and is a by product of photosynthesis. O2 is the common form and consists of two oxygen atoms joined by a double bond.
Illustration ID: OXYGEN-7
Russell Kightley
Illustration size: 25.0 Mpixels (71.5 MB uncompressed) - 5000x5000 pixels (16.6x16.6 in / 42.3x42.3 cm at 300 ppi)
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