File:First ionization energy.svg

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DescriptionFirst ionization energy.svg	Graph of ionization energy vs. atomic number. This file has language switches for localization.
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Author	Sponk (PNG file) Glrx (SVG file) Wylve (zh-Hans, zh-Hant) Palosirkka (fi) Michel Djerzinski (vi) TFerenczy (cz) Obsuser (sr-EC, sr-EL, hr, bs, sh) DePiep (elements 104–108) Bob Saint Clar (fr) Shizhao (zh-Hans) Wiki LIC (es) Agung karjono (id) Szaszicska (hu)
Permission (Reusing this file)	https://commons.wikimedia.org/wiki/File:First_Ionization_Energy.svg

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Short title	Energy to remove the first electron
Image title	Energy required to remove the first electron from an atom. Originally, the ionization energy data is from http://www.science.co.il/PTelements.asp?s=ionization Languages: en, de The graph is derived from Wikpedia Commons, User:Sponk, http://commons.wikimedia.org/wiki/File:Erste_Ionisierungsenergie_PSE_color_coded.png German Wikipedia, User:JJnoDog, http://de.wikipedia.org/wiki/Datei:IonizationEnergyAtomicWeight.PNG http://commons.wikimedia.org/wiki/File:IonizationEnergyAtomicWeight.PNG See also Raymond Chang, Chemistry, 2nd edition, Random House, 1984, page 166 Unlike above figures, the elements are not joined with line segments because the data is discrete. Lines are drawn from the abscissa to the noble gases to signal the end of a periodic table row. 2016-11-09 en:User:DePiep: Added elements 104 - 108. All ionisation energy values are read from NIST https://www.nist.gov/sites/default/files/illo_for_2014_pt_1.png Categories and their color legend now follow the 2013 enwiki-scheme (see https://en.wikipedia.org/wiki/Periodic_table#Overview ). Changes: - Added: categories 'diatomic nonmetal' "#e7ff8f", and 'polyatomic nonmetal' "#a1ffc3". - Deprecated: 'nonmetal' "#a0ffa0", 'halogen "#ffff99". Todo: check/add translations for 'diatomic nonmetal' and 'polyatomic nonmetal'.
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Height	500