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degeneracy
physics
Learn about this topic in these articles:
electronic structure of atoms
- In chemical bonding: Shapes of atomic orbitals
(This so-called degeneracy, the possession of the same energy by different wave functions, is also associated with the coincidental numerical agreement of Bohr’s model with experiment.) As soon as a second electron is present, however, the degeneracy is lost.
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transition elements and compounds
- In transition metal: Orbital splitting patterns
…energy and are called triply degenerate. It is not particularly obvious from a pictorial argument, but mathematical analysis shows that each of the other two orbitals, dz2 and dx2− y2, causes the electron to experience the same amount of electrostatic repulsion from the surrounding charges; they are described as doubly…
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