File:Nucleus_drawing.svg · Wikimedia Commons · See Wikimedia Commons
Also known as nucleus of atom, nucleus, atom nucleus, nucleus of an atom
khu vực trung tâm nguyên tử bao gồm các hạt nucleon, proton và neutron
The atomic nucleus is the tiny, dense core at the center of an atom made up of protons and neutrons held tightly together. It matters because the nucleus contains nearly all of an atom's mass and determines what element the atom is, making it fundamental to understanding how matter is structured and behaves.
AI-generated from the Wikipedia summary — may contain errors.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).