电离能表
第1至第10电离能

| 序号 | 符号 | 名称 | 第一电离能 | 第二电离能 | 第三电离能 | 第四电离能 | 第五电离能 | 第六电离能 | 第七电离能 | 第八电离能 | 第九电离能 | 第十电离能 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | H | 氢 | 1312.0 |  |  |  |  |  |  |  |  |  |
| 2 | He | 氦 | 2372.3 | 5250.5 |  |  |  |  |  |  |  |  |
| 3 | Li | 锂 | 520.2 | 7298.1 | 11,815.0 |  |  |  |  |  |  |  |
| 4 | Be | 铍 | 899.5 | 1757.1 | 14,848.7 | 21,006.6 |  |  |  |  |  |  |
| 5 | B | 硼 | 800.6 | 2427.1 | 3659.7 | 25,025.8 | 32,826.7 |  |  |  |  |  |
| 6 | C | 碳 | 1086.5 | 2352.6 | 4620.5 | 6222.7 | 37,831 | 47,277.0 |  |  |  |  |
| 7 | N | 氮 | 1402.3 | 2856 | 4578.1 | 7475.0 | 9444.9 | 53,266.6 | 64,360 |  |  |  |
| 8 | O | 氧 | 1313.9 | 3388.3 | 5300.5 | 7469.2 | 10,989.5 | 13,326.5 | 71,330 | 84,078.0 |  |  |
| 9 | F | 氟 | 1681.0 | 3374.2 | 6050.4 | 8407.7 | 11,022.7 | 15,164.1 | 17,868 | 92,038.1 | 106,434.3 |  |
| 10 | Ne | 氖 | 2080.7 | 3952.3 | 6122 | 9371 | 12,177 | 15,238 | 19,999.0 | 23,069.5 | 115,379.5 | 131,432 |
| 11 | Na | 钠 | 495.8 | 4562 | 6910.3 | 9543 | 13,354 | 16,613 | 20,117 | 25,496 | 28,932 | 141,362 |
| 12 | Mg | 镁 | 737.7 | 1450.7 | 7732.7 | 10,542.5 | 13,630 | 18,020 | 21,711 | 25,661 | 31,653 | 35,458 |
| 13 | Al | 铝 | 577.5 | 1816.7 | 2744.8 | 11,577 | 14,842 | 18,379 | 23,326 | 27,465 | 31,853 | 38,473 |
| 14 | Si | 硅 | 786.5 | 1577.1 | 3231.6 | 4355.5 | 16,091 | 19,805 | 23,780 | 29,287 | 33,878 | 38,726 |
| 15 | P | 磷 | 1011.8 | 1907 | 2914.1 | 4963.6 | 6273.9 | 21,267 | 25,431 | 29,872 | 35,905 | 40,950 |
| 16 | S | 硫 | 999.6 | 2252 | 3357 | 4556 | 7004.3 | 8495.8 | 27,107 | 31,719 | 36,621 | 43,177 |
| 17 | Cl | 氯 | 1251.2 | 2298 | 3822 | 5158.6 | 6542 | 9362 | 11,018 | 33,604 | 38,600 | 43,961 |
| 18 | Ar | 氩 | 1520.6 | 2665.8 | 3931 | 5771 | 7238 | 8781 | 11,995 | 13,842 | 40,760 | 46,186 |
| 19 | K | 钾 | 418.8 | 3052 | 4420 | 5877 | 7975 | 9590 | 11,343 | 14,944 | 16,963.7 | 48,610 |
| 20 | Ca | 钙 | 589.8 | 1145.4 | 4912.4 | 6491 | 8153 | 10,496 | 12,270 | 14,206 | 18,191 | 20,385 |
| 21 | Sc | 钪 | 633.1 | 1235.0 | 2388.6 | 7090.6 | 8843 | 10,679 | 13,310 | 15,250 | 17,370 | 21,726 |
| 22 | Ti | 钛 | 658.8 | 1309.8 | 2652.5 | 4174.6 | 9581 | 11,533 | 13,590 | 16,440 | 18,530 | 20,833 |
| 23 | V | 钒 | 650.9 | 1414 | 2830 | 4507 | 6298.7 | 12,363 | 14,530 | 16,730 | 19,860 | 22,240 |
| 24 | Cr | 铬 | 652.9 | 1590.6 | 2987 | 4743 | 6702 | 8744.9 | 15,455 | 17,820 | 20,190 | 23,580 |
| 25 | Mn | 锰 | 717.3 | 1509.0 | 3248 | 4940 | 6990 | 9220 | 11,500 | 18,770 | 21,400 | 23,960 |
| 26 | Fe | 铁 | 762.5 | 1561.9 | 2957 | 5290 | 7240 | 9560 | 12,060 | 14,580 | 22,540 | 25,290 |
| 27 | Co | 钴 | 760.4 | 1648 | 3232 | 4950 | 7670 | 9840 | 12,440 | 15,230 | 17,959 | 26,570 |
| 28 | Ni | 镍 | 737.1 | 1753.0 | 3395 | 5300 | 7339 | 10,400 | 12,800 | 15,600 | 18,600 | 21,670 |
| 29 | Cu | 铜 | 745.5 | 1957.9 | 3555 | 5536 | 7700 | 9900 | 13,400 | 16,000 | 19,200 | 22,400 |
| 30 | Zn | 锌 | 906.4 | 1733.3 | 3833 | 5731 | 7970 | 10,400 | 12,900 | 16,800 | 19,600 | 23,000 |
| 31 | Ga | 镓 | 578.8 | 1979.3 | 2963 | 6180 |  |  |  |  |  |  |
| 32 | Ge | 锗 | 762 | 1537.5 | 3302.1 | 4411 | 9020 |  |  |  |  |  |
| 33 | As | 砷 | 947.0 | 1798 | 2735 | 4837 | 6043 | 12,310 |  |  |  |  |
| 34 | Se | 硒 | 941.0 | 2045 | 2973.7 | 4144 | 6590 | 7880 | 14,990 |  |  |  |
| 35 | Br | 溴 | 1139.9 | 2103 | 3470 | 4560 | 5760 | 8550 | 9940 | 18,600 |  |  |
| 36 | Kr | 氪 | 1350.8 | 2350.4 | 3565 | 5070 | 6240 | 7570 | 10,710 | 12,138 | 22,274 | 25,880 |
| 37 | Rb | 铷 | 403.0 | 2633 | 3860 | 5080 | 6850 | 8140 | 9570 | 13,120 | 14,500 | 26,740 |
| 38 | Sr | 锶 | 549.5 | 1064.2 | 4138 | 5500 | 6910 | 8760 | 10,230 | 11,800 | 15,600 | 17,100 |
| 39 | Y | 钇 | 600 | 1180 | 1980 | 5847 | 7430 | 8970 | 11,190 | 12,450 | 14,110 | 18,400 |
| 40 | Zr | 锆 | 640.1 | 1270 | 2218 | 3313 | 7752 | 9500 |  |  |  |  |
| 41 | Nb | 铌 | 652.1 | 1380 | 2416 | 3700 | 4877 | 9847 | 12,100 |  |  |  |
| 42 | Mo | 钼 | 684.3 | 1560 | 2618 | 4480 | 5257 | 6640.8 | 12,125 | 13,860 | 15,835 | 17,980 |
| 43 | Tc | 锝 | 702 | 1470 | 2850 |  |  |  |  |  |  |  |
| 44 | Ru | 钌 | 710.2 | 1620 | 2747 |  |  |  |  |  |  |  |
| 45 | Rh | 铑 | 719.7 | 1740 | 2997 |  |  |  |  |  |  |  |
| 46 | Pd | 钯 | 804.4 | 1870 | 3177 |  |  |  |  |  |  |  |
| 47 | Ag | 銀 | 731.0 | 2070 | 3361 |  |  |  |  |  |  |  |
| 48 | Cd | 镉 | 867.8 | 1631.4 | 3616 |  |  |  |  |  |  |  |
| 49 | In | 铟 | 558.3 | 1820.7 | 2704 | 5210 |  |  |  |  |  |  |
| 50 | Sn | 锡 | 708.6 | 1411.8 | 2943.0 | 3930.3 | 7456 |  |  |  |  |  |
| 51 | Sb | 锑 | 834 | 1594.9 | 2440 | 4260 | 5400 | 10,400 |  |  |  |  |
| 52 | Te | 碲 | 869.3 | 1790 | 2698 | 3610 | 5668 | 6820 | 13,200 |  |  |  |
| 53 | I | 碘 | 1008.4 | 1845.9 | 3180 |  |  |  |  |  |  |  |
| 54 | Xe | 氙 | 1170.4 | 2046.4 | 3099.4 |  |  |  |  |  |  |  |
| 55 | Cs | 铯 | 375.7 | 2234.3 | 3400 |  |  |  |  |  |  |  |
| 56 | Ba | 钡 | 502.9 | 965.2 | 3600 |  |  |  |  |  |  |  |
| 57 | La | 镧 | 538.1 | 1067 | 1850.3 | 4819 | 5940 |  |  |  |  |  |
| 58 | Ce | 铈 | 534.4 | 1050 | 1949 | 3547 | 6325 | 7490 |  |  |  |  |
| 59 | Pr | 镨 | 527 | 1020 | 2086 | 3761 | 5551 |  |  |  |  |  |
| 60 | Nd | 钕 | 533.1 | 1040 | 2130 | 3900 |  |  |  |  |  |  |
| 61 | Pm | 钷 | 540 | 1050 | 2150 | 3970 |  |  |  |  |  |  |
| 62 | Sm | 钐 | 544.5 | 1070 | 2260 | 3990 |  |  |  |  |  |  |
| 63 | Eu | 铕 | 547.1 | 1085 | 2404 | 4120 |  |  |  |  |  |  |
| 64 | Gd | 钆 | 593.4 | 1170 | 1990 | 4250 |  |  |  |  |  |  |
| 65 | Tb | 铽 | 565.8 | 1110 | 2114 | 3839 |  |  |  |  |  |  |
| 66 | Dy | 镝 | 573.0 | 1130 | 2200 | 3990 |  |  |  |  |  |  |
| 67 | Ho | 钬 | 581.0 | 1140 | 2204 | 4100 |  |  |  |  |  |  |
| 68 | Er | 铒 | 589.3 | 1150 | 2194 | 4120 |  |  |  |  |  |  |
| 69 | Tm | 铥 | 596.7 | 1160 | 2285 | 4120 |  |  |  |  |  |  |
| 70 | Yb | 镱 | 603.4 | 1174.8 | 2417 | 4203 |  |  |  |  |  |  |
| 71 | Lu | 镥 | 523.5 | 1340 | 2022.3 | 4370 | 6445 |  |  |  |  |  |
| 72 | Hf | 铪 | 658.5 | 1440 | 2250 | 3216 |  |  |  |  |  |  |
| 73 | Ta | 钽 | 761 | 1500 |  |  |  |  |  |  |  |  |
| 74 | W | 钨 | 770 | 1700 |  |  |  |  |  |  |  |  |
| 75 | Re | 铼 | 760 | 1260 | 2510 | 3640 |  |  |  |  |  |  |
| 76 | Os | 锇 | 840 | 1600 |  |  |  |  |  |  |  |  |
| 77 | Ir | 铱 | 880 | 1600 |  |  |  |  |  |  |  |  |
| 78 | Pt | 铂 | 870 | 1791 |  |  |  |  |  |  |  |  |
| 79 | Au | 金 | 890.1 | 1980 |  |  |  |  |  |  |  |  |
| 80 | Hg | 汞 | 1007.1 | 1810 | 3300 |  |  |  |  |  |  |  |
| 81 | Tl | 铊 | 589.4 | 1971 | 2878 |  |  |  |  |  |  |  |
| 82 | Pb | 铅 | 715.6 | 1450.5 | 3081.5 | 4083 | 6640 |  |  |  |  |  |
| 83 | Bi | 铋 | 703 | 1610 | 2466 | 4370 | 5400 | 8520 |  |  |  |  |
| 84 | Po | 钋 | 812.1 |  |  |  |  |  |  |  |  |  |
| 85 | At | 砹 | 899.003 |  |  |  |  |  |  |  |  |  |
| 86 | Rn | 氡 | 1037 |  |  |  |  |  |  |  |  |  |
| 87 | Fr | 钫 | 380 |  |  |  |  |  |  |  |  |  |
| 88 | Ra | 镭 | 509.3 | 979.0 |  |  |  |  |  |  |  |  |
| 89 | Ac | 锕 | 499 | 1170 | 1900 | 4700 |  |  |  |  |  |  |
| 90 | Th | 钍 | 587 | 1110 | 1978 | 2780 |  |  |  |  |  |  |
| 91 | Pa | 镤 | 568 | 1128 | 1814 | 2991 |  |  |  |  |  |  |
| 92 | U | 鈾 | 597.6 | 1420 | 1900 | 3145 |  |  |  |  |  |  |
| 93 | Np | 镎 | 604.5 | 1128 | 1997 | 3242 |  |  |  |  |  |  |
| 94 | Pu | 钚 | 584.7 | 1128 | 2084 | 3338 |  |  |  |  |  |  |
| 95 | Am | 镅 | 578 | 1158 | 2132 | 3493 |  |  |  |  |  |  |
| 96 | Cm | 锔 | 581 | 1196 | 2026 | 3550 |  |  |  |  |  |  |
| 97 | Bk | 锫 | 601 | 1186 | 2152 | 3434 |  |  |  |  |  |  |
| 98 | Cf | 锎 | 608 | 1206 | 2267 | 3599 |  |  |  |  |  |  |
| 99 | Es | 锿 | 619 | 1216 | 2334 | 3734 |  |  |  |  |  |  |
| 100 | Fm | 镄 | 627 | 1225 | 2363 | 3792 |  |  |  |  |  |  |
| 101 | Md | 钔 | 635 | 1235 | 2470 | 3840 |  |  |  |  |  |  |
| 102 | No | 锘 | 642 | 1254 | 2643 | 3956 |  |  |  |  |  |  |
| 103 | Lr | 鐒 | 470 | 1428 | 2228 | 4910 |  |  |  |  |  |  |
| 104 | Rf | 鑪 | 579.9 | 1389.4 | 2296.4 | 3077.9 |  |  |  |  |  |  |
| 105 | Db | 𨧀 | 664.8 | 1546.7 | 2378.4 | 3298.8 | 4305.2 |  |  |  |  |  |
| 106 | Sg | 𨭎 | 757.4 | 1732.9 | 2483.5 | 3415.6 | 4561.8 | 5715.8 |  |  |  |  |
| 107 | Bh | 𨨏 | 742.9 | 1688.5 | 2566.5 | 3598.9 | 4727.8 | 5991.7 | 7226.8 |  |  |  |
| 108 | Hs | 𨭆 | 733.3 | 1756.0 | 2827.0 | 3637.5 | 4940.0 | 6175.1 | 7535.5 | 8857.4 |  |  |
| 109 | Mt | 䥑 | 800.8 | 1823.6 | 2904.2 | 3859.4 | 4920.8 |  |  |  |  |  |
| 110 | Ds | 鐽 | 955.2 | 1891.1 | 3029.6 | 3955.9 | 5113.7 |  |  |  |  |  |
| 111 | Rg | 錀 | 1022.7 | 2074.4 | 3077.9 | 4052.4 | 5306.7 |  |  |  |  |  |
| 112 | Cn | 鎶 | 1154.9 | 2170.0 | 3164.7 | 4245.4 | 5499.7 |  |  |  |  |  |
| 113 | Nh | 鉨 | 704.9 | 2238.5 | 3023.3 | 4351.5 | 5692.6 |  |  |  |  |  |
| 114 | Fl | 鈇 | 823.9 | 1601.6 | 3367.3 | 4399.7 | 5847.0 |  |  |  |  |  |
| 115 | Mc | 镆 | 538.4 | 1756.0 | 2653.3 | 4679.5 | 5721.6 |  |  |  |  |  |
| 116 | Lv | 鉝 | 723.6 | 1331.5 | 2846.3 | 3811.2 | 6078.6 |  |  |  |  |  |
| 117 | Ts | Ts | 742.9 | 1852.55 !1785.0–  1920.1 |  |  |  |  |  |  |  |  |
| 118 | Og | Og | 839.4 | 1563.1 |  |  |  |  |  |  |  |  |
| 119 | Uue | Uue | 463.1 | 1698.1 |  |  |  |  |  |  |  |  |
| 120 | Ubn | Ubn | 578.9 | 906.95 !895.4–  918.5 |  |  |  |  |  |  |  |  |
| 121 | Ubu | Ubu | 429.4 |  |  |  |  |  |  |  |  |  |
| 122 | Ubb | Ubb | 540.4 | 1090.4 | 1968.5 | 2618.9 |  |  |  |  |  |  |