Sentence examples for electron pair from inspiring English sources

An unshared electron pair is localized above the nitrogen atom.

Each shared electron pair constitutes a covalent bond.

The shared electron pair of one of the bonds is a σ bond.

The molecule with an available electron pair is called a base.

According to Lewis, an acid is a species that can accept an electron pair from a base with the formation of a chemical bond composed of a shared electron pair (covalent bond).

A π bond forms a region of increased electron density because the electron pair is more distant from the positively charged carbon nuclei than is the electron pair of the σ bond (see chemical bonding: The quantum mechanics of bonding).

When a molecule acts as a Lewis acid (an electron- pair acceptor) in bond formation, incoming electron pairs are received in its LUMO.

Probability that incident photon will produce a hole-electron pair.

Therefore, a specific "hole-electron" pair (h+ + e−), called exciton, is generated [38, 39] (Fig. 1).

In the Lewis theory, bases are defined as electron-pair donors and acids as electron-pair acceptors.

The basis of VB theory is the Lewis concept of the electron-pair bond.