電離能表

這是各種元素的電離能的列表，單位為kJ·mol−1。

## 第1至第10電離能

序號｜符號｜名稱｜第一電離能｜第二電離能｜第三電離能｜第四電離能｜第五電離能｜第六電離能｜第七電離能｜第八電離能｜第九電離能｜第十電離能

1｜H｜氫｜1312.0

2｜He｜氦｜2372.3｜5250.5

3｜Li｜鋰｜520.2｜7298.1｜11,815.0

4｜Be｜鈹｜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｜鈉｜495.8｜4562｜6910.3｜9543｜13,354｜16,613｜20,117｜25,496｜28,932｜141,362

12｜Mg｜鎂｜737.7｜1450.7｜7732.7｜10,542.5｜13,630｜18,020｜21,711｜25,661｜31,653｜35,458

13｜Al｜鋁｜577.5｜1816.7｜2744.8｜11,577｜14,842｜18,379｜23,326｜27,465｜31,853｜38,473

14｜Si｜矽｜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｜氬｜1520.6｜2665.8｜3931｜5771｜7238｜8781｜11,995｜13,842｜40,760｜46,186

19｜K｜鉀｜418.8｜3052｜4420｜5877｜7975｜9590｜11,343｜14,944｜16,963.7｜48,610

20｜Ca｜鈣｜589.8｜1145.4｜4912.4｜6491｜8153｜10,496｜12,270｜14,206｜18,191｜20,385

21｜Sc｜鈧｜633.1｜1235.0｜2388.6｜7090.6｜8843｜10,679｜13,310｜15,250｜17,370｜21,726

22｜Ti｜鈦｜658.8｜1309.8｜2652.5｜4174.6｜9581｜11,533｜13,590｜16,440｜18,530｜20,833

23｜V｜釩｜650.9｜1414｜2830｜4507｜6298.7｜12,363｜14,530｜16,730｜19,860｜22,240

24｜Cr｜鉻｜652.9｜1590.6｜2987｜4743｜6702｜8744.9｜15,455｜17,820｜20,190｜23,580

25｜Mn｜錳｜717.3｜1509.0｜3248｜4940｜6990｜9220｜11,500｜18,770｜21,400｜23,960

26｜Fe｜鐵｜762.5｜1561.9｜2957｜5290｜7240｜9560｜12,060｜14,580｜22,540｜25,290

27｜Co｜鈷｜760.4｜1648｜3232｜4950｜7670｜9840｜12,440｜15,230｜17,959｜26,570

28｜Ni｜鎳｜737.1｜1753.0｜3395｜5300｜7339｜10,400｜12,800｜15,600｜18,600｜21,670

29｜Cu｜銅｜745.5｜1957.9｜3555｜5536｜7700｜9900｜13,400｜16,000｜19,200｜22,400

30｜Zn｜鋅｜906.4｜1733.3｜3833｜5731｜7970｜10,400｜12,900｜16,800｜19,600｜23,000

31｜Ga｜鎵｜578.8｜1979.3｜2963｜6180

32｜Ge｜鍺｜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｜銣｜403.0｜2633｜3860｜5080｜6850｜8140｜9570｜13,120｜14,500｜26,740

38｜Sr｜鍶｜549.5｜1064.2｜4138｜5500｜6910｜8760｜10,230｜11,800｜15,600｜17,100

39｜Y｜釔｜600｜1180｜1980｜5847｜7430｜8970｜11,190｜12,450｜14,110｜18,400

40｜Zr｜鋯｜640.1｜1270｜2218｜3313｜7752｜9500

41｜Nb｜鈮｜652.1｜1380｜2416｜3700｜4877｜9847｜12,100

42｜Mo｜鉬｜684.3｜1560｜2618｜4480｜5257｜6640.8｜12,125｜13,860｜15,835｜17,980

43｜Tc｜鎝｜702｜1470｜2850

44｜Ru｜釕｜710.2｜1620｜2747

45｜Rh｜銠｜719.7｜1740｜2997

46｜Pd｜鈀｜804.4｜1870｜3177

47｜Ag｜銀｜731.0｜2070｜3361

48｜Cd｜鎘｜867.8｜1631.4｜3616

49｜In｜銦｜558.3｜1820.7｜2704｜5210

50｜Sn｜錫｜708.6｜1411.8｜2943.0｜3930.3｜7456

51｜Sb｜銻｜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｜銫｜375.7｜2234.3｜3400

56｜Ba｜鋇｜502.9｜965.2｜3600

57｜La｜鑭｜538.1｜1067｜1850.3｜4819｜5940

58｜Ce｜鈰｜534.4｜1050｜1949｜3547｜6325｜7490

59｜Pr｜鐠｜527｜1020｜2086｜3761｜5551

60｜Nd｜釹｜533.1｜1040｜2130｜3900

61｜Pm｜鉕｜540｜1050｜2150｜3970

62｜Sm｜釤｜544.5｜1070｜2260｜3990

63｜Eu｜銪｜547.1｜1085｜2404｜4120

64｜Gd｜釓｜593.4｜1170｜1990｜4250

65｜Tb｜鋱｜565.8｜1110｜2114｜3839

66｜Dy｜鏑｜573.0｜1130｜2200｜3990

67｜Ho｜鈥｜581.0｜1140｜2204｜4100

68｜Er｜鉺｜589.3｜1150｜2194｜4120

69｜Tm｜銩｜596.7｜1160｜2285｜4120

70｜Yb｜鐿｜603.4｜1174.8｜2417｜4203

71｜Lu｜鑥｜523.5｜1340｜2022.3｜4370｜6445

72｜Hf｜鉿｜658.5｜1440｜2250｜3216

73｜Ta｜鉭｜761｜1500

74｜W｜鎢｜770｜1700

75｜Re｜錸｜760｜1260｜2510｜3640

76｜Os｜鋨｜840｜1600

77｜Ir｜銥｜880｜1600

78｜Pt｜鉑｜870｜1791

79｜Au｜金｜890.1｜1980

80｜Hg｜汞｜1007.1｜1810｜3300

81｜Tl｜鉈｜589.4｜1971｜2878

82｜Pb｜鉛｜715.6｜1450.5｜3081.5｜4083｜6640

83｜Bi｜鉍｜703｜1610｜2466｜4370｜5400｜8520

84｜Po｜釙｜812.1

85｜At｜砹｜899.003

86｜Rn｜氡｜1037

87｜Fr｜鍅｜380

88｜Ra｜鐳｜509.3｜979.0

89｜Ac｜錒｜499｜1170｜1900｜4700

90｜Th｜釷｜587｜1110｜1978｜2780

91｜Pa｜鏷｜568｜1128｜1814｜2991

92｜U｜鈾｜597.6｜1420｜1900｜3145

93｜Np｜錼｜604.5｜1128｜1997｜3242

94｜Pu｜鈽｜584.7｜1128｜2084｜3338

95｜Am｜鋂｜578｜1158｜2132｜3493

96｜Cm｜鋦｜581｜1196｜2026｜3550

97｜Bk｜鉳｜601｜1186｜2152｜3434

98｜Cf｜鉲｜608｜1206｜2267｜3599

99｜Es｜鑀｜619｜1216｜2334｜3734

100｜Fm｜鐨｜627｜1225｜2363｜3792

101｜Md｜鍆｜635｜1235｜2470｜3840

102｜No｜鍩｜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｜鏌｜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｜1785.0– 1920.1

118｜Og｜Og｜839.4｜1563.1

119｜Uue｜Uue｜463.1｜1698.1

120｜Ubn｜Ubn｜578.9｜895.4– 918.5

121｜Ubu｜Ubu｜429.4

122｜Ubb｜Ubb｜540.4｜1090.4｜1968.5｜2618.9

## 第11到20電離能

原子序｜符號｜名稱｜11th｜12th｜13th｜14th｜15th｜16th｜17th｜18th｜19th｜20th

11｜Na｜鈉｜159,076

12｜Mg｜鎂｜169,988｜189,368

13｜Al｜鋁｜42,647｜201,266｜222,316

14｜Si｜矽｜45,962｜50,502｜235,196｜257,923

15｜P｜磷｜46,261｜54,110｜59,024｜271,791｜296,195

16｜S｜硫｜48,710｜54,460｜62,930｜68,216｜311,048｜337,138

17｜Cl｜氯｜51,068｜57,119｜63,363｜72,341｜78,095｜352,994｜380,760

18｜Ar｜氬｜52,002｜59,653｜66,199｜72,918｜82,473｜88,576｜397,605｜427,066

19｜K｜鉀｜54,490｜60,730｜68,950｜75,900｜83,080｜93,400｜99,710｜444,880｜476,063

20｜Ca｜鈣｜57,110｜63,410｜70,110｜78,890｜86,310｜94,000｜104,900｜111,711｜494,850｜527,762

21｜Sc｜鈧｜24,102｜66,320｜73,010｜80,160｜89,490｜97,400｜105,600｜117,000｜124,270｜547,530

22｜Ti｜鈦｜25,575｜28,125｜76,015｜83,280｜90,880｜100,700｜109,100｜117,800｜129,900｜137,530

23｜V｜釩｜24,670｜29,730｜32,446｜86,450｜94,170｜102,300｜112,700｜121,600｜130,700｜143,400

24｜Cr｜鉻｜26,130｜28,750｜34,230｜37,066｜97,510｜105,800｜114,300｜125,300｜134,700｜144,300

25｜Mn｜錳｜27,590｜30,330｜33,150｜38,880｜41,987｜109,480｜118,100｜127,100｜138,600｜148,500

26｜Fe｜鐵｜28,000｜31,920｜34,830｜37,840｜44,100｜47,206｜122,200｜131,000｜140,500｜152,600

27｜Co｜鈷｜29,400｜32,400｜36,600｜39,700｜42,800｜49,396｜52,737｜134,810｜145,170｜154,700

28｜Ni｜鎳｜30,970｜34,000｜37,100｜41,500｜44,800｜48,100｜55,101｜58,570｜148,700｜159,000

29｜Cu｜銅｜25,600｜35,600｜38,700｜42,000｜46,700｜50,200｜53,700｜61,100｜64,702｜163,700

30｜Zn｜鋅｜26,400｜29,990｜40,490｜43,800｜47,300｜52,300｜55,900｜59,700｜67,300｜171,200

36｜Kr｜氪｜29,700｜33,800｜37,700｜43,100｜47,500｜52,200｜57,100｜61,800｜75,800｜80,400

38｜Sr｜鍶｜31,270

39｜Y｜釔｜19,900｜36,090

42｜Mo｜鉬｜20,190｜22,219｜26,930｜29,196｜52,490｜55,000｜61,400｜67,700｜74,000｜80,400

## 第21到30電離能

原子序｜符號｜名稱｜21st｜22nd｜23rd｜24th｜25th｜26th｜27th｜28th｜29th｜30th

21｜Sc｜鈧｜582,163

22｜Ti｜鈦｜602,930｜639,294

23｜V｜釩｜151,440｜661,050｜699,144

24｜Cr｜鉻｜157,700｜166,090｜721,870｜761,733

25｜Mn｜錳｜158,600｜172,500｜181,380｜785,450｜827,067

26｜Fe｜鐵｜163,000｜173,600｜188,100｜195,200｜851,800｜895,161

27｜Co｜鈷｜167,400｜178,100｜189,300｜204,500｜214,100｜920,870｜966,023

28｜Ni｜鎳｜169,400｜182,700｜194,000｜205,600｜221,400｜231,490｜992,718｜1,039,668

29｜Cu｜銅｜174,100｜184,900｜198,800｜210,500｜222,700｜239,100｜249,660｜1,067,358｜1,116,105

30｜Zn｜鋅｜179,100

36｜Kr｜氪｜85,300｜90,400｜96,300｜101,400｜111,100｜116,290｜282,500｜296,200｜311,400｜326,200

42｜Mo｜鉬｜87,000｜93,400｜98,420｜104,400｜121,900｜127,700｜133,800｜139,800｜148,100｜154,500

## 參考資料

- Ionization energies of the elements (data page)
- (for predictions)
- (for predictions)