electron pair


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Related to electron pair: Molecular geometry

electron pair

[i′lek‚trän ′per]
(physical chemistry)
A pair of valence electrons which form a nonpolar bond between two neighboring atoms.
References in periodicals archive ?
The inhibition of the corrosion has been proved to be the formation of donor-acceptor surface complexes between a vacant d-orbital of a metal and non-bonding electron pairs or p-electrons of an organic inhibitor, and nitrogenous compound is widely used.
The two lone electron pairs of O justify this difference in bond length.
which may determine the binding energy E < 0 of electron pair, if we claim that the condition [p.sub.f]d/h [much less than to] 1 always is fulfilled.
Association of Al[X.sub.3] ([D.sub.3h] symmetry; X = H, F, Cl and Br), which act as electron pair acceptors, with Y[C.sub.4][H.sub.4] (Y = O in furan, Y = NH in pyrrole, and Y'= S in thiophen), wish act as electron pair donors, leads to [X.sub.3]Al-Y[C.sub.4][H.sub.4].
Thus, both the ionic bond and the covalent bond involve a magnetically bound (anti-parallel spin-aligned) electron pair that is attracted to two positively charged atomic nuclei by Coulomb forces.
Gillespie's research interests include the Valence Shell Electron Pair Repulsion (VSEPR) model of molecular geometry.
The Santilli-Shillady orbits, the oo-shaped orbits, go beyond a way of speaking, they are a condition for the movement of the electron pair. This limitation in movement could be present in other states of electron pairs, such as the Cooper pairs of superconductivity, mainly in high Tc Superconductivity, for example.
Phase transitions between the high and low temperature phases of a superconductor involve spontaneous symmetry breaking between order (superconductor electron pair) and disorder (electron) states when the transition occurs over shorter time periods than depicted by the normal relaxation times.
This will address each individual nucleus and electron pair, a technology that will be needed to get more than two spins entangled together in silicon.
In this case, an electron pair would instead have a wave function with d-wave symmetry, resembling a four-leaf clover that has its lobes aligned along the crystal axes.
In the d-wave case, the wave function of the electron pair resembles a four-leaf clover, with lobes aligned along the crystal axes of the material (see illustration below).

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