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An unpaired electron has a magnetic dipole moment, while an electron pair has no dipole moment because the two electrons have opposite spins so their magnetic dipole fields are in opposite directions and cancel. Thus an atom with unpaired electrons acts as a magnetic dipole and interacts with a magnetic field. Only elements with unpaired ...
The filled MO highest in energy is called the highest occupied molecular orbital (HOMO) and the empty MO just above it is then the lowest unoccupied molecular orbital (LUMO). The electrons in the bonding MO's are called bonding electrons and any electrons in the antibonding orbital would be called antibonding electrons. The reduction in energy ...
A MO with σ symmetry results from the interaction of either two atomic s-orbitals or two atomic p z-orbitals. An MO will have σ-symmetry if the orbital is symmetric with respect to the axis joining the two nuclear centers, the internuclear axis. This means that rotation of the MO about the internuclear axis does not result in a phase change.
Get a behind-the-scenes look at what keeps "The Polar Express Train Ride" chugging in OKC. It runs through Dec. 27 at the Oklahoma Railway Museum.
Electronic spin state at it simplest describes the number of unpaired electrons in a molecule. Most molecules including the proteins, carbohydrates, and lipids that make up the majority of life have no unpaired electrons even when charged. Such molecules are called singlet molecules, since their paired electrons have only one spin state.
When the Polar Express passes Herpolsheimer's, the kids cheer and rush to the train's windows. This is the first indication of the film's setting in Grand Rapids, Michigan, where the department ...
The pairs often exhibit a negative polar character with their high charge density and are located closer to the atomic nucleus on average compared to the bonding pair of electrons. The presence of a lone pair decreases the bond angle between the bonding pair of electrons, due to their high electric charge, which causes great repulsion between ...
A conductor stands in the snow waiting for passengers to board Oklahoma City's "The Polar Express" Train Ride, produced by Rail Events Productions, Nov. 10, 2022.