Meaning 1scientific; physics and chemistry · 82%
The small positively charged center of an atom, containing protons and usually neutrons.
Natural examples
Der Atomkern enthält mindestens ein Proton.
The atomic nucleus contains at least one proton.
Im Modell markieren wir den Atomkern mit roten Kugeln.
In the model, red balls mark the atomic nucleus.
Die Anzahl der Protonen im Atomkern bestimmt das Element.
The number of protons in the nucleus determines the element.
Usage note
The plural is Atomkerne; distinguish the nucleus from the electron cloud. The most common hydrogen isotope has one proton and no neutron in its nucleus.
Mini-lesson: Atomkern
The small positively charged center of an atom, containing protons and usually neutrons. The plural is Atomkerne; distinguish the nucleus from the electron cloud. The most common hydrogen isotope has one proton and no neutron in its nucleus.
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