extra electron

  • 1Electron affinity — The electron affinity, E ea, of an atom or molecule is the energy required to detach an electron from a singly charged negative ion, i.e., the energy change for the process::X rarr; X + e−An equivalent definition is the energy released ( E… …

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  • 2Universal extra dimension — In particle physics, the ADD model, also known as the model with large extra dimensions, is an alternative scenario to explain the weakness of gravity relative to the other forces. This theory requires that the fields of the Standard Model are… …

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  • 3Acorn Electron — The Acorn Electron is a budget version of the BBC Micro educational/home computer made by Acorn Computers Ltd. It had 32 kilobytes of RAM, and its ROM included BBC BASIC along with its operating system.The Electron was able to save and load… …

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  • 4Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …

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  • 5Auger electron spectroscopy — (AES; Auger pronounced|oːʒeː in French) is a common analytical technique used specifically in the study of surfaces and, more generally, in the area of materials science. Underlying the spectroscopic technique is the Auger effect, as it has come… …

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  • 6Hadron Electron Ring Accelerator — Monochromator für Synchrotronstrahlung (Vordergrund) und Blasenkammer (Hintergrund) vom Teilchenbeschleuniger DESY …

    Deutsch Wikipedia

  • 7Ion — Cation and Anion redirect here. For the particle physics/quantum computing concept, see Anyon. For other uses, see Ion (disambiguation). Hydrogen atom (center) contains a single proton and a single electron. Removal of the electron gives a cation …

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  • 8star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …

    Universalium

  • 9Lewis structure — The Lewis structure of water. Lewis structures (also known as Lewis dot diagrams, electron dot diagrams, and electron dot structures) are diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in …

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  • 10atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …

    Universalium