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atomic structure

The definition of atomic structure is the positively charged nucleus and the negatively charged electrons circling around it, within an atom.

(noun)

An example of atomic structure is what gives energy to atoms and then to molecules.

See atomic structure in Webster's New World College Dictionary

Physics a conventionalized, hypothetical concept of an atom, regarded as consisting of a central, positively charged nucleus and a number of negatively charged electrons revolving about it in various orbits: the number and arrangement of the electrons vary in the different elements

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