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The subdivision of Atoms in atomic nucleus and atomic shells goes back to the Geiger–Marsden experiment.
An '''electron shell''' is the region of space around an atom in which an electron with a particular amount of energy can reside. Electron shells are denoted using [[Quantum number|principle atomic numbers]] n=1, 2, 3, 4, 5, 6, 7 with each higher number indicating a higher energy region and are further away from the nucleus. Each shell can hold 2n<sup>2</sup> electrons.
An '''electron shell''' (or '''atomic shell''') is the region of space around an atom in which an electron with a particular amount of energy can reside. Electron shells are denoted using [[Quantum number|principle atomic numbers]] n=1, 2, 3, 4, 5, 6, 7 with each higher number indicating a higher energy region and are further away from the nucleus. Each shell can hold 2n<sup>2</sup> electrons. The outer part of the atomic shells, the [[Valence shell]], is responsible for the chemical bonds in particular.
The subdivision of [[Atoms]] in atomic nucleus and atomic shells goes back to the [[Geiger–Marsden experiment]].
==See Also==
==See Also==