# Russell-Saunders coupling/Related Articles

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- Angular momentum (quantum) [r]: A vector operator of which the three components have well-defined commutation relations.
^{[e]} - Angular momentum coupling [r]: The procedure of constructing eigenvectors of a system's angular momentum out of angular momentum eigenvectors of its subsystems.
^{[e]} - Antisymmetrizer [r]: operator that projects onto an antisymmetric subspace of a tensor product space of identical linear spaces;
^{[e]} - Atomic electron configuration [r]: A specification of the occupation of an atom's electron orbitals by electrons.
^{[e]} - Atomic number [r]: The number of protons in the nucleus of a single atom of a chemical element.
^{[e]} - Hund's rules [r]: Rules for predicting the order of atomic energy levels with quantum numbers L, S and J.
^{[e]} - Slater determinant [r]: A form for the wavefunction of a multi-fermionic system that satisfies anti-symmetry requirements, and consequently the Pauli exclusion principle, by changing sign upon exchange of fermions.
^{[e]} - Term symbol [r]: An abbreviated description of the angular momentum quantum numbers in a multi-electron atom.
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