Meaning of ATOMIC NUCLEUS (NUCLEUS; NUCLEI; ATOMIC NUCLEI) in English

ATOMIC NUCLEUS (NUCLEUS; NUCLEI; ATOMIC NUCLEI)

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A tiny, incredibly dense positively charged mass at the heart of the atom. The nucleus is composed of protons and neutrons (and other particles). It contains almost all of the mass of the atom but occupies only a tiny fraction of the atom's volume.

General chemistry English glossary.      Английский глоссарий общей химии.