bn:00030241n
Noun Concept
Categories: Electron, Quantum mechanics, Chemical bonding, Atomic physics
EN
electron shell  Atomic shells  D-shell  d-shells  D shell
EN
A grouping of electrons surrounding the nucleus of an atom WordNet 3.0
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EN
In chemistry and atomic physics, an electron shell may be thought of as an orbit that electrons follow around an atom's nucleus. Wikipedia
How electrons are arranged in an atom or molecule Wikipedia Disambiguation
Principal energy levels in atomic physics Wikidata
The collective states of all electrons in an atom having the same principal quantum number (visualized as an orbit in which the electrons move). Wiktionary
Type of nebula. Wiktionary (translation)
EN
The chemical properties of an atom are determined by the outermost electron shell WordNet 3.0 & Open English WordNet