The electron ( e− , or β− in nuclear reactions) is a subatomic particle with a negative one elementary electric charge. Electrons belong to the first...

An electron microscope is a microscope that uses a beam of electrons as a source of illumination. They use electron optics that are analogous to the glass...

An electron transport chain (ETC) is a series of protein complexes and other molecules which transfer electrons from electron donors to electron acceptors...

In chemistry and atomic physics, an electron shell may be thought of as an orbit that electrons follow around an atom's nucleus. The closest shell to...

In chemistry and physics, valence electrons are electrons in the outermost shell of an atom, and that can participate in the formation of a chemical bond...

An electron orbital may refer to: An atomic orbital, describing the behaviour of an electron in an atom A molecular orbital, describing the behaviour...

In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure)...

electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons....

Free electron in physics may refer to: Electron, as a free particle Solvated electron Charge carrier, as carriers of electric charge Valence electron, as...

chemical bond that involves the sharing of electrons to form electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs...

In chemistry, electron deficiency (and electron-deficient) is jargon that is used in two contexts: chemical species that violate the octet rule because...

Electron capture (K-electron capture, also K-capture, or L-electron capture, L-capture) is a process in which the proton-rich nucleus of an electrically...

The electron affinity (Eea) of an atom or molecule is defined as the amount of energy released when an electron attaches to a neutral atom or molecule...

Electron diffraction is a generic term for phenomena associated with changes in the direction of electron beams due to elastic interactions with atoms...

The electron neutrino ( ν e) is an elementary particle which has zero electric charge and a spin of 1⁄2. Together with the electron, it forms the first...

electronic engineering, an electron hole (often simply called a hole) is a quasiparticle denoting the lack of an electron at a position where one could...

An electron acceptor is a chemical entity that accepts electrons transferred to it from another compound. Electron acceptors are oxidizing agents. The...

In chemistry, an electron pair or Lewis pair consists of two electrons that occupy the same molecular orbital but have opposite spins. Gilbert N. Lewis...

change. Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is the gain of electrons or a decrease in the oxidation...

Look up electron or Electron in Wiktionary, the free dictionary. An electron is a subatomic particle. Electron may also refer to: Elementary charge or...

Valence shell electron pair repulsion (VSEPR) theory (/ˈvɛspər, vəˈsɛpər/ VESP-ər,: 410  və-SEP-ər) is a model used in chemistry to predict the geometry...

Transmission electron microscopy (TEM) is a microscopy technique in which a beam of electrons is transmitted through a specimen to form an image. The specimen...

particle physics, the electron mass (symbol: me) is the mass of a stationary electron, also known as the invariant mass of the electron. It is one of the...

describing the location and wave-like behavior of an electron in an atom. This function describes an electron's charge distribution around the atom's nucleus...

A bonding electron is an electron involved in chemical bonding. This can refer to: Chemical bond, a lasting attraction between atoms, ions or molecules...

In solid-state physics, the electron mobility characterises how quickly an electron can move through a metal or semiconductor when pushed or pulled by...

Look up electron tube or electron tubes in Wiktionary, the free dictionary. Electron tube may refer to: Vacuum tube, a device that controls electric current...

An Electron interferometer is an interferometer which generates interference with the wave function of electrons to make measurements. Interferometry...

to electron-transfer, electron-rich species have low ionization energy and/or are reducing agents. Tetrakis(dimethylamino)ethylene is an electron-rich...

(period) is started when a new electron shell has its first electron. Columns (groups) are determined by the electron configuration of the atom; elements...