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Molecule

Definition:

A molecule is the smallest part of any chemical compound composed of two or more atoms and which has the qualities of that substance and can exist alone in a free state. As an example, a molecule of water (H2O) consists of two atoms of hydrogen and one of oxygen.

Source: GreenFacts, based on Helios Glossary  

Translation(s):

Deutsch: Molekül
Español: Molécula
Français: Molécule

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