molecule
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molecule
In chemistry and physics, the smallest particle of a substance that consists of two or more atoms held together by chemical bonds.
Ein Wassermolekül besteht aus zwei Wasserstoffatomen und einem Sauerstoffatom.
A water molecule consists of two hydrogen atoms and one oxygen atom.
'Molekül' (molecule) is a technical term from the natural sciences, especially chemistry and physics. Even though the word is generally known, it is mainly used in scientific or educated-language contexts.
Im Chemieunterricht lernen wir den Aufbau von Molekülen.
In chemistry class, we learn about the structure of molecules.
To describe the composition of a molecule, you often use the construction 'besteht aus' (consists of) + dative. A molecule always consists of several atoms.
Ein Zuckermolekül besteht aus Kohlenstoff-, Wasserstoff- und Sauerstoffatomen.
A sugar molecule consists of carbon, hydrogen, and oxygen atoms.
'Molekül' (molecule) is very often used as the second part of compound nouns to specify the type of molecule. Examples are 'Wassermolekül' (water molecule), 'Sauerstoffmolekül' (oxygen molecule), or 'Eiweißmolekül' (protein molecule).
Pflanzen produzieren bei der Fotosynthese Sauerstoffmoleküle.
Plants produce oxygen molecules during photosynthesis.
connection / association
'Verbindung' and 'Molekül' can both occur in chemistry. A 'Verbindung' is a compound: a substance made up of different chemical elements that are bonded together. A 'Molekül' is a very small particle of a substance and consists of atoms. The words can be confused because both have to do with atoms and chemical bonds. The difference is: 'Verbindung' describes more the substance or the type of substance, while 'Molekül' describes a single particle of that substance. So a substance can be a chemical compound and consist of many molecules.
Im Chemieunterricht zeichnet Maria ein Molekül an die Tafel.
In chemistry class, Maria draws a molecule on the board.
Wasser ist eine chemische Verbindung aus Wasserstoff und Sauerstoff.
Water is a chemical compound made of hydrogen and oxygen.