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The ionization

См. также в других словарях:

  • Ionization — is the physical process of converting an atom or molecule into an ion by adding or removing charged particles such as electrons or other ions.This process works slightly differently depending on whether an ion with a positive or a negative… …   Wikipedia

  • Ionization potential — The ionization potential, ionization energy or EI of an atom or molecule is the energy required to remove an electron from the isolated atom or ion. More generally, the nth ionization energy is the energy required to strip it of the n th electron …   Wikipedia

  • ionization chamber — n a partially evacuated tube provided with electrodes so that its conductivity due to the ionization of the residual gas reveals the presence of ionizing radiation * * * a device for measuring ionizing radiation by the measurement of the… …   Medical dictionary

  • ionization — i·on·i·za·tion (ī ə nĭ zāʹshən) n. 1. The formation of or separation into ions by heat, electrical discharge, radiation, or chemical reaction. 2. The state of being ionized. * * * Process by which electrically neutral atoms or molecules are… …   Universalium

  • Ionization chamber — An ionization chamber is a device used for two major purposes: detecting particles in air (as in a smoke detector), and for detection or measurement of ionizing radiation. An ionization chamber is an instrument constructed to measure the number… …   Wikipedia

  • ionization energy — ▪ chemistry also called  ionization potential,    in chemistry, the amount of energy required to remove an electron from an isolated atom or molecule. There is an ionization energy for each successive electron removed; the ionization energy… …   Universalium

  • ionization chamber — Physics. an apparatus for detecting and analyzing ionizing radiation, consisting of a vessel filled with a gas at normal or lower than normal pressure and fitted with two electrodes such that the current between the electrodes is a function of… …   Universalium

  • ionization potential — Physics. the energy required to remove an electron from an atom. [1910 15] * * * or ionization energy Amount of energy required to remove an electron from an isolated atom or molecule. There is an ionization potential for each successive electron …   Universalium

  • Ionization energies of the elements — These tables list the ionization energy in kJ/mol necessary to remove one mole of electrons from one mole of neutral gaseous atoms (first energy), respectively from a singly, doubly, etc. ionized atoms (second, third, etc. energies). 1st… …   Wikipedia

  • ionization chamber — noun Date: 1904 a partially evacuated tube provided with electrodes so that its conductivity due to the ionization of the residual gas reveals the presence of ionizing radiation …   New Collegiate Dictionary

  • ionization gauge — noun : a low pressure vacuum gauge in which the pressure is indicated by the ionization current between two specified electrodes at a prescribed voltage …   Useful english dictionary

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