atomic structure
noun Physics.
the structure of an atom, theoretically consisting of a positively charged nucleus surrounded and neutralized by negatively charged electrons revolving in orbits at varying distances from the nucleus, the constitution of the nucleus and the arrangement of the electrons differing with various chemical elements.
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Nearby words
- atomic orbital,
- atomic pile,
- atomic power,
- atomic reactor,
- atomic spectrum,
- atomic theory,
- atomic veteran,
- atomic volume,
- atomic weight,
- atomicity
Origin of atomic structure
First recorded in 1895–1900
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
atomic structure
noun
the concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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