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IEVref:113-05-21ID:
Language:enStatus: Standard
Term: atomic nucleus
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Definition: central part of an atom

NOTE 1 An atomic nucleus is composed of one or more protons and a number of neutrons (except hydrogen H), having thus a positive electric charge and nearly all the mass of the atom.

NOTE 2 The mass of the atomic nucleus is smaller than the sum of its constituents, due to energy binding them together.


Publication date:2011-04
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 113-05-21en.gif
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