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Grundstoffernes ioniseringspotentiale

Dette er en tabel over ioniseringspotentialer for grundstofferne. Ioniseringspotentiale er den mængde energi, der er nødvendig for at fjerne en elektron fra et atom eller en ion i vakuum. Alle værdier i tabellen er angivet i enheden kilojoule pr. mol (kJ/mol). Værdierne for grundstoffet rutherfordium og med højere atomnumre er forudsagt, ikke bestemt.

# Grundstof 123456789101112131415161718192021222324252627282930
1Brint1312
2Helium2372.35250.5
3Lithium520.27298.111815
4Beryllium899.51757.114848.721006.6
5Bor800.62427.13659.725025.832826.7
6Carbon1086.52352.64620.56222.73783147277
7Kvælstof1402.328564578.174759444.953266.664360
8Ilt1313.93388.35300.57469.210989.513326.57133084078
9Fluor16813374.26050.48407.711022.715164.11786892038.1106434.3
10Neon2080.73952.36122937112177152381999923069.5115379.5131432
11Natrium495.845626910.395431335416613201172549628932141362159076
12Magnesium737.71450.77732.710542.5136301802021711256613165335458169988189368
13Aluminium577.51816.72744.81157714842183792332627465318533847342647201266222316
14Silicium786.51577.13231.64355.51609119805237802928733878387264596250502235196257923
15Fosfor1011.819072914.14963.66273.92126725431298723590540950462615411059024271791296195
16Svovl999.62252335745567004.38495.82710731719366214317748710544606293068216311048337138
17Klor1251.2229838225158.665429362110183360438600439615106857119633637234178095352994380760
18Argon1520.62665.8393157717238878111995138424076046186520025965366199729188247388576397605427066
19Kalium418.830524420587779759590113431494416963.74861054490607306895075900830809340099710444880476063
20Calcium589.81145.44912.4649181531049612270142061819120385571106341070110788908631094000104900111711494850527762
21Scandium633.112352388.67090.688431067913310152501737021726241026632073010801608949097400105600117000124270547530582163
22Titan658.81309.82652.54174.6958111533135901644018530208332557528125760158328090880100700109100117800129900137530602930639294
23Vanadium650.91414283045076298.712363145301673019860222402467029730324468645094170102300112700121600130700143400151440661050699144
24Krom652.91590.62987474367028744.9154551782020190235802613028750342303706697510105800114300125300134700144300157700166090721870761733
25Mangan717.315093248494069909220115001877021400239602759030330331503888041987109480118100127100138600148500158600172500181380785450827067
26Jern762.51561.9295752907240956012060145802254025290280003192034830378404410047206122200131000140500152600163000173600188100195200851800895161
27Kobolt760.4164832324950767098401244015230179592657029400324003660039700428004939652737134810145170154700167400178100189300204500214100920870966023
28Nikkel737.11753339553007339104001280015600186002167030970340003710041500448004810055101585701487001590001694001827001940002056002214002314909927181039668
29Kobber745.51957.935555536770099001340016000192002240025600356003870042000467005020053700611006470216370017410018490019880021050022270023910024966010673581116105
30Zink906.41733.3383357317970104001290016800196002300026400299904049043800473005230055900597006730071200179100
31Gallium578.81979.329636180
32Germanium7621537.53302.144119020
33Arsen947179827354837604312310
34Selen94120452973.741446590788014990
35Brom1139.921033470456057608550994018600
36Krypton1350.82350.435655070624075701071012138222742588029700338003770043100475005220057100618007580080400853009040096300101400111100116290282500296200311400326200
37Rubidium403263338605080685081409570131201450026740
38Strontium549.51064.241385500691087601023011800156001710031270
39Yttrium60011801980584774308970111901245014110184001990036090
40Zirconium640.112702218331377529500
41Niobium652.11380241637004877984712100
42Molybdæn684.315602618448052576640.81212513860158351798020190222192693029196524905500061400677007400080400870009340098420104400121900127700133800139800148100154500
43Technetium70214702850
44Ruthenium710.216202747
45Rhodium719.717402997
46Palladium804.418703177
47Sølv73120703361
48Cadmium867.81631.43616
49Indium558.31820.727045210
50Tin708.61411.829433930.37456
51Antimon8341594.924404260540010400
52Tellur869.31790269836105668682013200
53Jod1008.41845.93180
54Xenon1170.42046.43099.4
55Cæsium375.72234.33400
56Barium502.9965.23600
57Lanthan538.110671850.348195940
58Cerium534.410501949354763257490
59Praseodym5271020208637615551
60Neodym533.1104021303900
61Promethium540105021503970
62Samarium544.5107022603990
63Europium547.1108524044120
64Gadolinium593.4117019904250
65Terbium565.8111021143839
66Dysprosium573113022003990
67Holmium581114022044100
68Erbium589.3115021944120
69Thulium596.7116022854120
70Ytterbium603.41174.824174203
71Lutetium523.513402022.343706445
72Hafnium658.5144022503216
73Tantal7611500
74Wolfram7701700
75Rhenium760126025103640
76Osmium8401600
77Iridium8801600
78Platin8701791
79Guld890.11980
80Kviksølv1007.118103300
81Thallium589.419712878
82Bly715.61450.53081.540836640
83Bismuth70316102466437054008520
84Polonium812.1
85Astat899.003
86Radon1037
87Francium380
88Radium509.3979
89Actinium499117019004700
90Thorium587111019302780
91Protactinium568112818142991
92Uran597.6142019003145
93Neptunium604.5112819973242
94Plutonium584.7112820843338
95Americium578115821323493
96Curium581119620263550
97Berkelium601118621523434
98Californium608120622673599
99Einsteinium619121623343734
100Fermium627122523633792
101Mendelevium635123524703840
102Nobelium642125426433956
103Lawrencium470142822284910
104Rutherfordium579.91389.42296.43077.9
105Dubnium664.81546.72378.43298.84305.2
106Seaborgium757.41732.92483.53415.64561.85715.8
107Bohrium742.91688.52566.53598.94727.85991.77226.8
108Hassium733.31756.02827.03637.54940.06175.17535.58857.4
109Meitnerium800.81823.62904.23859.44920.8
110Darmstadtium955.21891.13029.63955.95113.7
111Røntgenium1022.72074.43077.94052.45306.7
112Copernicium1154.92170.03164.74245.45499.7
113Nihonium704.92238.53023.34351.55692.6
114Flerovium823.91601.63367.34399.75847.0
115Moscovium538.41756.02653.34679.55721.6
116Livermorium663.91330285038106080
117Tennessin736.91435.42161.94012.95076.4
118Oganesson860.11560