Ionization Energies of all the elements in the Periodic Table
Refer to table and property element trend below for Ionization Energies of all the elements in the periodic table. We have shown the list of elements Ionization Energies of the elements for which reliable data is available.
Ionization Energies Chart - Ionization Energies of the elements in table chart format
This Ionization Energies table gives the Ionization Energies of all the elements of periodic table in kJ/mol . Click on 'Element Atomic Number', 'Element Symbol', 'Element Name' and 'Element Ionization Energies' headers to sort.
| Element Atomic Number | Element Symbol | Element Name | Element Ionization Energies |
|---|---|---|---|
| 1 | H | Hydrogen | 1312 |
| 2 | He | Helium | 2372.3, 5250.5 |
| 3 | Li | Lithium | 520.2, 7298.1, 11815 |
| 4 | Be | Beryllium | 899.5, 1757.1, 14848.7, 21006.6 |
| 5 | B | Boron | 800.6, 2427.1, 3659.7, 25025.8, 32826.7 |
| 6 | C | Carbon | 1086.5, 2352.6, 4620.5, 6222.7, 37831, 47277 |
| 7 | N | Nitrogen | 1402.3, 2856, 4578.1, 7475, 9444.9, 53266.6, 64360 |
| 8 | O | Oxygen | 1313.9, 3388.3, 5300.5, 7469.2, 10989.5, 13326.5, 71330, 84078 |
| 9 | F | Fluorine | 1681, 3374.2, 6050.4, 8407.7, 11022.7, 15164.1, 17868, 92038.1, 106434.3 |
| 10 | Ne | Neon | 2080.7, 3952.3, 6122, 9371, 12177, 15238, 19999, 23069.5, 115379.5, 131432 |
| 11 | Na | Sodium | 495.8, 4562, 6910.3, 9543, 13354, 16613, 20117, 25496, 28932, 141362, 159076 |
| 12 | Mg | Magnesium | 737.7, 1450.7, 7732.7, 10542.5, 13630, 18020, 21711, 25661, 31653, 35458, 169988, 189368 |
| 13 | Al | Aluminium | 577.5, 1816.7, 2744.8, 11577, 14842, 18379, 23326, 27465, 31853, 38473, 42647, 201266, 222316 |
| 14 | Si | Silicon | 786.5, 1577.1, 3231.6, 4355.5, 16091, 19805, 23780, 29287, 33878, 38726, 45962, 50502, 235196, 257923 |
| 15 | P | Phosphorus | 1011.8, 1907, 2914.1, 4963.6, 6273.9, 21267, 25431, 29872, 35905, 40950, 46261, 54110, 59024, 271791, 296195 |
| 16 | S | Sulfur | 999.6, 2252, 3357, 4556, 7004.3, 8495.8, 27107, 31719, 36621, 43177, 48710, 54460, 62930, 68216, 311048, 337138 |
| 17 | Cl | Chlorine | 1251.2, 2298, 3822, 5158.6, 6542, 9362, 11018, 33604, 38600, 43961, 51068, 57119, 63363, 72341, 78095, 352994, 380760 |
| 18 | Ar | Argon | 1520.6, 2665.8, 3931, 5771, 7238, 8781, 11995, 13842, 40760, 46186, 52002, 59653, 66199, 72918, 82473, 88576, 397605, 427066 |
| 19 | K | Potassium | 418.8, 3052, 4420, 5877, 7975, 9590, 11343, 14944, 16963.7, 48610, 54490, 60730, 68950, 75900, 83080, 93400, 99710, 444880, 476063 |
| 20 | Ca | Calcium | 589.8, 1145.4, 4912.4, 6491, 8153, 10496, 12270, 14206, 18191, 20385, 57110, 63410, 70110, 78890, 86310, 94000, 104900, 111711, 494850, 527762 |
| 21 | Sc | Scandium | 633.1, 1235, 2388.6, 7090.6, 8843, 10679, 13310, 15250, 17370, 21726, 24102, 66320, 73010, 80160, 89490, 97400, 105600, 117000, 124270, 547530, 582163 |
| 22 | Ti | Titanium | 658.8, 1309.8, 2652.5, 4174.6, 9581, 11533, 13590, 16440, 18530, 20833, 25575, 28125, 76015, 83280, 90880, 100700, 109100, 117800, 129900, 137530, 602930, 639294 |
| 23 | V | Vanadium | 650.9, 1414, 2830, 4507, 6298.7, 12363, 14530, 16730, 19860, 22240, 24670, 29730, 32446, 86450, 94170, 102300, 112700, 121600, 130700, 143400, 151440, 661050, 699144 |
| 24 | Cr | Chromium | 652.9, 1590.6, 2987, 4743, 6702, 8744.9, 15455, 17820, 20190, 23580, 26130, 28750, 34230, 37066, 97510, 105800, 114300, 125300, 134700, 144300, 157700, 166090, 721870, 761733 |
| 25 | Mn | Manganese | 717.3, 1509, 3248, 4940, 6990, 9220, 11500, 18770, 21400, 23960, 27590, 30330, 33150, 38880, 41987, 109480, 118100, 127100, 138600, 148500, 158600, 172500, 181380, 785450, 827067 |
| 26 | Fe | Iron | 762.5, 1561.9, 2957, 5290, 7240, 9560, 12060, 14580, 22540, 25290, 28000, 31920, 34830, 37840, 44100, 47206, 122200, 131000, 140500, 152600, 163000, 173600, 188100, 195200, 851800, 895161 |
| 27 | Co | Cobalt | 760.4, 1648, 3232, 4950, 7670, 9840, 12440, 15230, 17959, 26570, 29400, 32400, 36600, 39700, 42800, 49396, 52737, 134810, 145170, 154700, 167400, 178100, 189300, 204500, 214100, 920870, 966023 |
| 28 | Ni | Nickel | 737.1, 1753, 3395, 5300, 7339, 10400, 12800, 15600, 18600, 21670, 30970, 34000, 37100, 41500, 44800, 48100, 55101, 58570, 148700, 159000, 169400, 182700, 194000, 205600, 221400, 231490, 992718, 1039668 |
| 29 | Cu | Copper | 745.5, 1957.9, 3555, 5536, 7700, 9900, 13400, 16000, 19200, 22400, 25600, 35600, 38700, 42000, 46700, 50200, 53700, 61100, 64702, 163700, 174100, 184900, 198800, 210500, 222700, 239100, 249660, 1067358, 1116105 |
| 30 | Zn | Zinc | 906.4, 1733.3, 3833, 5731, 7970, 10400, 12900, 16800, 19600, 23000, 26400, 29990, 40490, 43800, 47300, 52300, 55900, 59700, 67300, 71200, 179100 |
| 31 | Ga | Gallium | 578.8, 1979.3, 2963, 6180 |
| 32 | Ge | Germanium | 762, 1537.5, 3302.1, 4411, 9020 |
| 33 | As | Arsenic | 947, 1798, 2735, 4837, 6043, 12310 |
| 34 | Se | Selenium | 941, 2045, 2973.7, 4144, 6590, 7880, 14990 |
| 35 | Br | Bromine | 1139.9, 2103, 3470, 4560, 5760, 8550, 9940, 18600 |
| 36 | Kr | Krypton | 1350.8, 2350.4, 3565, 5070, 6240, 7570, 10710, 12138, 22274, 25880, 29700, 33800, 37700, 43100, 47500, 52200, 57100, 61800, 75800, 80400, 85300, 90400, 96300, 101400, 111100, 116290, 282500, 296200, 311400, 326200 |
| 37 | Rb | Rubidium | 403, 2633, 3860, 5080, 6850, 8140, 9570, 13120, 14500, 26740 |
| 38 | Sr | Strontium | 549.5, 1064.2, 4138, 5500, 6910, 8760, 10230, 11800, 15600, 17100, 31270 |
| 39 | Y | Yttrium | 600, 1180, 1980, 5847, 7430, 8970, 11190, 12450, 14110, 18400, 19900, 36090 |
| 40 | Zr | Zirconium | 640.1, 1270, 2218, 3313, 7752, 9500 |
| 41 | Nb | Niobium | 652.1, 1380, 2416, 3700, 4877, 9847, 12100 |
| 42 | Mo | Molybdenum | 684.3, 1560, 2618, 4480, 5257, 6640.8, 12125, 13860, 15835, 17980, 20190, 22219, 26930, 29196, 52490, 55000, 61400, 67700, 74000, 80400, 87000, 93400, 98420, 104400, 121900, 127700, 133800, 139800, 148100, 154500 |
| 43 | Tc | Technetium | 702, 1470, 2850 |
| 44 | Ru | Ruthenium | 710.2, 1620, 2747 |
| 45 | Rh | Rhodium | 719.7, 1740, 2997 |
| 46 | Pd | Palladium | 804.4, 1870, 3177 |
| 47 | Ag | Silver | 731, 2070, 3361 |
| 48 | Cd | Cadmium | 867.8, 1631.4, 3616 |
| 49 | In | Indium | 558.3, 1820.7, 2704, 5210 |
| 50 | Sn | Tin | 708.6, 1411.8, 2943, 3930.3, 7456 |
| 51 | Sb | Antimony | 834, 1594.9, 2440, 4260, 5400, 10400 |
| 52 | Te | Tellurium | 869.3, 1790, 2698, 3610, 5668, 6820, 13200 |
| 53 | I | Iodine | 1008.4, 1845.9, 3180 |
| 54 | Xe | Xenon | 1170.4, 2046.4, 3099.4 |
| 55 | Cs | Cesium | 375.7, 2234.3, 3400 |
| 56 | Ba | Barium | 502.9, 965.2, 3600 |
| 57 | La | Lanthanum | 538.1, 1067, 1850.3, 4819, 5940 |
| 58 | Ce | Cerium | 534.4, 1050, 1949, 3547, 6325, 7490 |
| 59 | Pr | Praseodymium | 527, 1020, 2086, 3761, 5551 |
| 60 | Nd | Neodymium | 533.1, 1040, 2130, 3900 |
| 61 | Pm | Promethium | 540, 1050, 2150, 3970 |
| 62 | Sm | Samarium | 544.5, 1070, 2260, 3990 |
| 63 | Eu | Europium | 547.1, 1085, 2404, 4120 |
| 64 | Gd | Gadolinium | 593.4, 1170, 1990, 4250 |
| 65 | Tb | Terbium | 565.8, 1110, 2114, 3839 |
| 66 | Dy | Dysprosium | 573, 1130, 2200, 3990 |
| 67 | Ho | Holmium | 581, 1140, 2204, 4100 |
| 68 | Er | Erbium | 589.3, 1150, 2194, 4120 |
| 69 | Tm | Thulium | 596.7, 1160, 2285, 4120 |
| 70 | Yb | Ytterbium | 603.4, 1174.8, 2417, 4203 |
| 71 | Lu | Lutetium | 523.5, 1340, 2022.3, 4370, 6445 |
| 72 | Hf | Hafnium | 658.5, 1440, 2250, 3216 |
| 73 | Ta | Tantalum | 761, 1500 |
| 74 | W | Tungsten | 770, 1700 |
| 75 | Re | Rhenium | 760, 1260, 2510, 3640 |
| 76 | Os | Osmium | 840, 1600 |
| 77 | Ir | Iridium | 880, 1600 |
| 78 | Pt | Platinum | 870, 1791 |
| 79 | Au | Gold | 890.1, 1980 |
| 80 | Hg | Mercury | 1007.1, 1810, 3300 |
| 81 | Tl | Thallium | 589.4, 1971, 2878 |
| 82 | Pb | Lead | 715.6, 1450.5, 3081.5, 4083, 6640 |
| 83 | Bi | Bismuth | 703, 1610, 2466, 4370, 5400, 8520 |
| 84 | Po | Polonium | 812.1 |
| 85 | At | Astatine | 899.003 |
| 86 | Rn | Radon | 1037 |
| 87 | Fr | Francium | 380 |
| 88 | Ra | Radium | 509.3, 979 |
| 89 | Ac | Actinium | 499, 1170 |
| 90 | Th | Thorium | 587, 1110, 1930, 2780 |
| 91 | Pa | Protactinium | 568 |
| 92 | U | Uranium | 597.6, 1420 |
| 93 | Np | Neptunium | 604.5 |
| 94 | Pu | Plutonium | 584.7 |
| 95 | Am | Americium | 578 |
| 96 | Cm | Curium | 581 |
| 97 | Bk | Berkelium | 601 |
| 98 | Cf | Californium | 608 |
| 99 | Es | Einsteinium | 619 |
| 100 | Fm | Fermium | 627 |
| 101 | Md | Mendelevium | 635 |
| 102 | No | Nobelium | 642 |
| 103 | Lr | Lawrencium | 470 |
| 104 | Rf | Rutherfordium | 580 |
Periodic Table of Elements with Ionization Energies Trends
In the below periodic table you can see the trend of Ionization Energies. For facts, physical properties, chemical properties, structure and atomic properties of the specific element, click on the element symbol in the below periodic table.
Property Trends for Ionization Energies of the elements in the periodic table
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