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atomic nucleusA 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 occ [..]
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atomic nucleusThe positively charged core of an atom.
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atomic nucleusThe positively charged core of an atom consisting of protons and (except for hydrogen) neutrons, and around which electrons orbit.
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atomic nucleusThe positively charged core of an atom consisting of protons and (except for hydrogen) neutrons, and around which electrons orbit.
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atomic nucleusThe nucleus is the small, massive center of the atom, containing neutrons and protons bound together by the nuclear force, the strongest force known in nature. The diameter of the nucleus is about (10 [..]
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atomic nucleusWhere neutrons and protons are tightly bound at the centre of an atom. . Nuclei are many thousands of times smaller than the atom itself. For example, if an atom was the size of a football stadium, th [..]
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atomic nucleus(n.) Concentrated, positively charged matter at the center of an atom; composed of protons and neutrons.
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atomic nucleusThe positively charged core of an atom consisting of protons and (except for hydrogen) neutrons, and around which electrons orbit.
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atomic nucleusmotionless, positively charged centre of the atom
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