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electron shell
noun
The collective states of all electrons in an atom having the same principal quantum number (visualized as an orbit in which the electrons move).
Exact(35)
A single X-ray pulse produced "hollow" atoms by ejecting electrons from the inner electron shell.
When bonded to two hydrogen atoms, the outer electron shell of the oxygen atom is filled.
(The d orbitals are regions within an electron shell with certain preferred orientations in space; in transition metals these orbitals are only partly occupied by electrons).
In particular, the effects of the ligand field on the five d orbitals of an inner electron shell of the central atom are considered.
Nobelium, for example, exists in aqueous solution in the dipositive oxidation state, which might be expected for the next-to-last member of the actinoid series because of the stability of the filled 5f electron shell (5f14).
Arsenate (As V)) has an empty outer electron shell, missing five valence electrons ([Ar]3d104s04p0).
Similar(25)
Each group consists of elements that have similar electronic structures characterized by completely filled inner electron shells and by a number of electrons in their outermost shells equal to the group number.
Metalloids have electronic structures intermediate between the nearly empty outer electron shells of the typical metals and the nearly filled electron shells of the nonmetals.
Third, the intra f f electron transitions are well-shielded by the outer complete 5s and 5p electron shells, thus resisting oxidation-induced photobleaching that is often seen for electronic transitions of organic dyes.
The numbers of electrons corresponding to closed electron shells in metal clusters are 8, 20, 40, 58,...
From light to heavy nuclei, the proton and neutron shells are filled (separately) in much the same way as electron shells are filled in an atom.
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