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Elementary particle with negative charge
The electron (e− , or β− in nuclear reactions) is a subatomic particle whose electric charge is negative one elementary charge. It is an elementary particle
Electron
Type of electron microscope
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.
Scanning_electron_microscope
Topics referred to by the same term
Free electron in physics may refer to: Electron, as a free particle Solvated electron Charge carrier, as carriers of electric charge Valence electron, as
Free_electron
Type of microscope with electrons as a source of illumination
An electron microscope is a microscope that uses a beam of electrons as a source of illumination. It uses electron optics that are analogous to the glass
Electron_microscope
General term in chemistry
Electron-rich is jargon that is used in multiple related meanings with either or both kinetic and thermodynamic implications: with regard to electron-transfer
Electron-rich
Topics referred to by the same term
Look up electron or Electron in Wiktionary, the free dictionary. An electron is a subatomic particle. Electron may also refer to: Elementary charge or
Electron_(disambiguation)
Bending of electron beams due to electrostatic interactions with matter
Electron diffraction is a generic term for phenomena associated with changes in the direction of electron beams due to elastic interactions with atoms
Electron_diffraction
Energy-producing metabolic pathway
An electron transport chain (ETC) is a series of protein complexes and other molecules which transfer electrons from electron donors to electron acceptors
Electron_transport_chain
Personal computer sold in Britain
The Acorn Electron (nicknamed the Elk inside Acorn and beyond) was introduced as a lower-cost alternative to the BBC Micro educational/home computer, also
Acorn_Electron
Topics referred to by the same term
An electron orbital may refer to: An atomic orbital, describing the behaviour of an electron in an atom A molecular orbital, describing the behaviour
Electron_orbital
Development framework built on Chromium
Electron (formerly known as Atom Shell) is a free and open-source software framework developed and maintained by OpenJS Foundation. The framework is designed
Electron_(software_framework)
Reverse electron flow (also known as reverse electron transport) is a mechanism in microbial metabolism. Chemolithotrophs using an electron donor with
Reverse_electron_flow
Type of lepton that orbits an atom on its own
chemistry, an unpaired electron is an electron that occupies an orbital of an atom singly, rather than as part of an electron pair. Each atomic orbital
Unpaired_electron
Process in which a proton-rich nuclide absorbs an inner atomic electron
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
Electron_capture
Chemical bond by sharing of electron pairs
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
Covalent_bond
Chemical reaction with oxidation state changes
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
Redox
Two-stage small launch vehicle, 200-300 kg to LEO
Electron is a two-stage, expendable orbital launch vehicle developed by Rocket Lab, a publicly traded aerospace manufacturer and launch service provider
Rocket_Lab_Electron
Imaging and diffraction using electrons that pass through samples
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
Transmission electron microscopy
Transmission_electron_microscopy
Mode of arrangement of electrons in different shells of an atom
In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure)
Electron_configuration
Principal energy levels in atomic physics
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
Electron_shell
Repulsive force in quantum mechanics
In astrophysics and condensed matter physics, electron degeneracy pressure is a quantum mechanical effect critical to understanding the stability of white
Electron_degeneracy_pressure
Flow of electric charge
An electric current is a flow of charged particles, such as electrons or ions, through an electrical conductor or space. It is defined as the net rate
Electric_current
Tabular arrangement of the chemical elements
(period) is started when a new electron shell has its first electron. Columns (groups) are determined by the electron configuration of the atom; elements
Periodic_table
Postulate in particle physics
The one-electron universe is the hypothesis that all electrons and positrons are actually manifestations of a single entity moving backwards and forwards
One-electron_universe
Class of chemical substituents
An electron-withdrawing group (EWG) is a group or atom that has the ability to draw electron density toward itself and away from other adjacent atoms
Electron-withdrawing_group
Japanese semiconductor equipment manufacturer
Tokyo Electron Limited (Japanese: 東京エレクトロン株式会社, Hepburn: Tokyo Erekutoron Kabushiki-gaisha), or TEL, is a Japanese electronics and semiconductor company
Tokyo_Electron
Former trimaran sailing vessel
The Teignmouth Electron was a 41-foot trimaran sailing vessel designed explicitly for Donald Crowhurst’s ill-fated attempt to sail around the world in
Teignmouth_Electron
Particle, atom or molecule with a net electrical charge
is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and
Ion
Conceptual opposite of an electron
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
Electron_hole
Process in electrical breakdown
An electron avalanche is a process in which a number of free electrons in a transmission medium are subjected to strong acceleration by an electric field
Electron_avalanche
Subatomic particle
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
Electron_neutrino
Electron in the outer shell of an atom's energy levels
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
Valence_electron
Mass of a stationary electron
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
Electron_mass
Use of high-energy electrons to treat an object
Electron-beam processing or electron irradiation is a process that involves using electrons, usually of high energy, to treat an object for a variety
Electron-beam_processing
Vacuum tube used to display images
cathode ray tube (CRT) is a vacuum tube containing one or more electron guns, which emit electron beams, which are directed and controlled to display images
Cathode_ray_tube
Smallest unit of a chemical element
generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished from each other by the number
Atom
Emission of electrons induced by an electrostatic field
Field electron emission, also known as field-induced electron emission, field emission (FE) and electron field emission, is the emission of electrons from
Field_electron_emission
Function describing an electron in an atom
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
Atomic_orbital
Phenomenon observed in physics
Electron cyclotron resonance (ECR) is a phenomenon observed in plasma physics, condensed matter physics, and accelerator physics. It happens when the frequency
Electron_cyclotron_resonance
Energy release on formation of anions
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_affinity
Physical constant providing length scale to interatomic interactions
classical electron radius is a combination of fundamental physical quantities that define a length scale for problems involving an electron interacting
Classical_electron_radius
Two electrons that occupy the same molecular orbital but have opposite spins
In chemistry, an electron pair or Lewis pair consists of two electrons that occupy the same atomic or molecular orbital but have opposite spins. Gilbert
Electron_pair
Device that controls current between electrodes
A vacuum tube, electron tube, thermionic valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum
Vacuum_tube
Inner-shell electron of an atom
Core electrons are the electrons in an atom that are not valence electrons and do not participate as directly in chemical bonding. The nucleus and the
Core_electron
Energy needed to remove an electron
minimum energy required to remove the most loosely bound electron(s) (the valence electron(s)) of an isolated gaseous atom, positive ion, or molecule
Ionization_energy
Model for predicting molecular geometry
Valence shell electron pair repulsion (VSEPR) theory (/ˈvɛspər, vəˈsɛpər/ VESP-ər, və-SEP-ər) is a model used in chemistry to predict the geometry of individual
VSEPR_theory
Topics referred to by the same term
A bonding electron is an electron involved in chemical bonding. This can refer to: Chemical bond, a lasting attraction between atoms, ions or molecules
Bonding_electron
Scattering of photons off charged particles
particle, usually an electron. Specifically, when the photon interacts with a loosely bound electron, it releases the electron from an outer valence
Compton_scattering
Chemical entity capable of accepting electrons
An electron acceptor is a chemical entity that accepts electrons transferred to it from another compound. Electron acceptors are oxidizing agents. The
Electron_acceptor
Electron microscopy technique
Cryogenic electron microscopy (cryo-EM) is a transmission electron microscopy technique applied to samples cooled to cryogenic temperatures. Developed
Cryo-electron_microscopy
Devices using beams of free electrons
Since the mid-20th century, electron-beam technology has provided the basis for a variety of novel and specialized applications in semiconductor manufacturing
Electron-beam_technology
Particle accelerator under construction in Upton, New York, USA
An electron–ion collider (EIC) is a type of particle accelerator collider designed to collide spin-polarized beams of electrons and ions, in order to study
Electron–ion_collider
Research apparatus for particle physics
emits an electron beam that is attracted to a pillar in the center of the cavity. The pillar has holes the electrons can pass through. The electron beam passes
Particle_accelerator
chemistry, electron magnetic resonance (EMR) is an interdisciplinary field that covers both electron paramagnetic resonance (EPR, also known as electron spin
Electron_magnetic_resonance
Ionization technique
Electron ionization (EI, formerly known as electron impact ionization and electron bombardment ionization) is an ionization method in which energetic electrons
Electron_ionization
Species that violate the octet rule or have electron-acceptor properties
In chemistry, electron deficiency (and electron-deficient) is jargon that is used in two contexts: chemical species that violate the octet rule because
Electron_deficiency
Intrinsic quantum property of particles
relativistic quantum mechanics or quantum field theory. The existence of electron spin angular momentum is inferred from experiments, such as the Stern–Gerlach
Spin_(physics)
Unit of energy
written as electron-volt and electron volt, is a unit of measurement equivalent to the amount of kinetic energy gained by a single electron accelerating
Electronvolt
Type of radioactive decay
decay in which an atomic nucleus emits a beta particle (fast energetic electron or positron), transforming into an isobar of that nuclide. For example
Beta_decay
Probability density of electrons being somewhere
Electron density or electronic density is the measure of the probability of an electron being present at an infinitesimal element of space surrounding
Electron_density
Free electron in a solution, often liquid ammonia
A solvated electron is a free electron in a solution, in which it behaves like an anion. An electron's being solvated in a solution means it is bound
Solvated_electron
Technique to study materials that have unpaired electrons
Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons. The
Electron paramagnetic resonance
Electron_paramagnetic_resonance
Electrical component producing a narrow electron beam
An electron gun (also called electron emitter) is an electrical component in some vacuum tubes that produces a narrow, collimated electron beam that has
Electron_gun
Respiration using electron acceptors other than oxygen
using electron acceptors other than molecular oxygen (O2) in its electron transport chain. In aerobic organisms, electrons are shuttled to an electron transport
Anaerobic_respiration
Vacuum tube structure
An electron multiplier is a vacuum-tube structure that multiplies incident charges. In a process called secondary emission, a single electron can, when
Electron_multiplier
Quantity in solid-state physics
In solid-state physics, the electron mobility characterizes how quickly an electron can move through a metal or semiconductor when pushed or pulled by
Electron_mobility
Imaging technique for solid chemical analysis
Electron probe microanalysis (EPMA), also known as electron probe X-ray microanalysis, electron microprobe analysis (EMPA) or electron probe analysis (EPA)
Electron_probe_microanalysis
Spin of an electron
physics, the electron magnetic moment, or more specifically the electron magnetic dipole moment, is the magnetic moment of an electron resulting from
Electron_magnetic_moment
Material of moderate electrical conductivity
semiconductors. The behavior of charge carriers, which include electrons, ions, and electron holes, at these junctions is the basis of diodes, transistors
Semiconductor
Electron precipitation (also called energetic electron precipitation or EEP) is an atmospheric phenomenon that occurs when previously trapped electrons
Electron_precipitation
Electron trajectories in electromagnetic fields
Electron optics is a mathematical framework for the calculation of electron trajectories in the presence of electromagnetic fields. The term optics is
Electron_optics
Analytical technique in chemistry
Electron spectroscopy refers to a group formed by techniques based on the analysis of the energies of emitted electrons such as photoelectrons and Auger
Electron_spectroscopy
Atomic model introduced by Niels Bohr in 1913
It consists of a small, dense atomic nucleus surrounded by orbiting electrons. It is analogous to the structure of the Solar System, but with attraction
Bohr_model
Chemical property of transition metals
The 18-electron rule is a chemical rule of thumb used primarily for predicting and rationalizing formulas for stable transition metal complexes, especially
18-electron_rule
Relocation of an electron from an atom or molecule to another
Electron transfer (ET) occurs when an electron relocates from an atom, ion, or molecule, to another such chemical entity. ET describes the mechanism by
Electron_transfer
Scientific instrument for observing small objects
are the fluorescence microscope, electron microscope (both the transmission electron microscope and the scanning electron microscope) and various types of
Microscope
Elementary particle or quantum of light
particle and its corresponding antiparticle are annihilated (for example, electron–positron annihilation). In a quantum mechanical model, electromagnetic
Photon
Model of electrons within a metallic solid
In solid-state physics, the free electron model is a quantum mechanical model for the behaviour of charge carriers in a metallic solid. It was developed
Free_electron_model
Scanning electron microscopy technique
Electron backscatter diffraction (EBSD) is a scanning electron microscopy (SEM) technique used to study the crystallographic structure of materials. EBSD
Electron backscatter diffraction
Electron_backscatter_diffraction
Anti-particle to the electron
1/2 ħ (the same as the electron), and the same mass as an electron. It is the antiparticle (antimatter counterpart) of the electron. When a positron collides
Positron
Laser using electron beam in vacuum as gain medium
A free-electron laser (FEL) is a fourth generation light source producing extremely brilliant and short pulses of radiation. An FEL functions much as a
Free-electron_laser
Transfer of a bound electron to a more energetic state
Electron excitation is the transfer of a bound electron to a more energetic, but still bound state. This can be done by photoexcitation (PE), where the
Electron_excitation
Ejection of an electron from the surface of matter, or atomic nucleus
In physics, electron emission is the ejection of an electron from the surface of matter, or, in beta decay (β− decay), where a beta particle (a fast energetic
Electron_emission
Type of dense exotic matter in physics
from each other by electrons. The free electron model of metals derives their physical properties by considering the conduction electrons alone as a degenerate
Degenerate_matter
Debit card
Visa Electron was a debit card product that used the Visa payment system. It was offered by issuing banks in every country with the exception of Canada
Visa_Electron
Lithographic technique that uses a scanning beam of electrons
Electron-beam lithography (often abbreviated as e-beam lithography or EBL) is the practice of scanning a focused beam of electrons to draw custom shapes
Electron-beam_lithography
Chemical data page
This page shows the electron configurations of the neutral gaseous atoms in their ground states. For each atom the subshells are given first in concise
Electron configurations of the elements
Electron_configurations_of_the_elements
Formalism used for classifying compounds
In chemistry, electron counting is a formalism for assigning a number of valence electrons to individual atoms in a molecule. It is used for classifying
Electron_counting
Holography of electron waves
Electron holography is holography with electron matter waves. It was invented by Dennis Gabor in 1948 when he tried to improve image resolution in an
Electron_holography
Emission of electrons when electromagnetic radiation hits a material
effect is the emission of electrons from a material caused by electromagnetic radiation such as ultraviolet light. Electrons emitted in this manner are
Photoelectric_effect
British yacht racer (1932–1969)
(chiefly marine) electronic products with a poorly performing small business "Electron Utilisation", believed that pursuing the £5,000 prize money offered by
Donald_Crowhurst
American public spaceflight company
publicly traded aerospace manufacturer and launch service provider. Its Electron orbital rocket launches small satellites and has successfully completed
Rocket_Lab
Method to determine atomic positions in solids using an electron microscope
Electron crystallography is a subset of methods in electron diffraction focusing upon detailed determination of the positions of atoms in solids using
Electron_crystallography
Descriptive quantity of the ionosphere
Total electron content (TEC) is a descriptive quantity for the ionosphere of the Earth. TEC is the total number of electrons integrated between two points
Total_electron_content
Deviation of electrons from their original trajectories
Electron scattering occurs when electrons are displaced from their original trajectory. This is due to the electrostatic forces within matter or, if an
Electron_scattering
Stream of elections moving at relativistic speeds
Relativistic electron beams are streams of electrons moving at relativistic speeds. They are the lasing medium in free electron lasers to be used in atmospheric
Relativistic_electron_beam
Decrease in attraction between an electron and the nucleus
screening effect or electron shielding describes the attraction between an electron and the nucleus in any atom with more than one electron. The shielding
Shielding_effect
Elementary particle with extremely low mass
nuclear beta decay), electron neutrinos only appear together with positrons (anti-electrons) or electron-antineutrinos, whereas electron antineutrinos only
Neutrino
Atom, molecule, or ion that has an unpaired valence electron; typically highly reactive
or ion that has at least one unpaired valence electron. With some exceptions, these unpaired electrons make radicals highly chemically reactive. Radicals
Radical_(chemistry)
Diagrams for the bonding between atoms of a molecule and lone pairs of electrons
also called Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDs) – are diagrams that show the bonding
Lewis_structure
ELECTRON
ELECTRON
ELECTRON
Girl/Female
Slavic
which is a popular saint's name of uncertain meaning.
Girl/Female
Arabic, Muslim
Great
Boy/Male
Arabic, Muslim
Bounty of My Lord
Boy/Male
Tamil
Dheeshithan | தீஷீதாந
Lord Murugan name
Girl/Female
Australian, Christian, Gaelic, Irish
Girl; Lass; Pure
Boy/Male
Muslim/Islamic
Slave of the originator
Boy/Male
Arabic, Muslim
Advisor of the Islam
Boy/Male
Polish
Gift from God.
Boy/Male
American, Australian, British, Christian, English, Hebrew
Descent; Form of Jared; One who Rules
Boy/Male
Arabic, Australian, Chinese, Finnish, French, German, Swedish, Turkish
Safe; Sound; Peace
ELECTRON
ELECTRON
ELECTRON
ELECTRON
ELECTRON
n.
Amber; also, the alloy of gold and silver, called electrum.
n.
That needle-shaped part at the tip of the playing arm of phonograph which sits in the groove of a phonograph record while it is turning, to detect the undulations in the phonograph groove and convert them into vibrations which are transmitted to a system (since 1920 electronic) which converts the signal into sound; also called needle. The stylus is frequently composed of metal or diamond.