Modern Periodic Table of Elements

Ionization Energy

1 H Hydrogen 1312

2 He Helium 2372.3

3 Li Lithium 520

4 Be Beryllium 899.5

5 B Boron 800.6

6 C Carbon 1086.5

7 N Nitrogen 1402.3

8 O Oxygen 1313.9

9 F Fluorine 1681

10 Ne Neon 2080.7

11 Na Sodium 495.8

12 Mg Magnesium 737.7

13 Al Aluminium 577.5

14 Si Silicon 786.5

15 P Phosphorus 1011.8

16 S Sulphur 999.6

17 Cl Chlorine 1251.2

18 Ar Argon 1520.6

19 K Potassium 418.8

20 Ca Calcium 589.8

21 Sc Scandium 633.1

22 Ti Titanium 658.8

23 V Vanadium 650.9

24 Cr Chromium 652.9

25 Mn Manganese 717.3

26 Fe Iron 762.5

27 Co Cobalt 760.4

28 Ni Nickel 737.1

29 Cu Copper 745.5

30 Zn Zinc 906.4

31 Ga Galium 578.8

32 Ge Germanium 762

33 As Arsenic 947

34 Se Selenium 941

35 Br Bromine 1139.9

36 Kr Krypton 1350.8

37 Rb Rubidium 403

38 Sr Strontium 549.5

39 Y Yttrium 600

40 Zr Zirconium 604.1

41 Nb Niobium 652.1

42 Mo Molybdenum 684.3

43 Tc Technetium 702

44 Ru Ruthenium 710.2

45 Rh Rhodium 719.7

46 Pd Palladium 804.4

47 Ag Silver 731

48 Cd Cadmium 867.8

49 In Indium 867.8

50 Sn Tin 708.6

51 Sb Antimony 834

52 Te Tellurium 869.3

53 I Iodine 1008.4

54 Xe Xenon 1170.4

55 Cs Caesium 375.7

56 Ba Barium 502.9

57 La Lanthanum 538.1

58 Ce Cerium 534.4

59 Pr Praseodymium 527

60 Nd Neodymium 533.1

61 Pm Promethium 540

62 Sm Samarium 544.5

63 Eu Europium 547.1

64 Gd Gadolinium 593.4

65 Tb Terbium 565.8

66 Dy Dysprosium 573

67 Ho Holmium 581

68 Er Erbium 589.3

69 Tm Thulium 596.7

70 Yb Ytterbium 603.4

71 Lu Lutetium 523.5

72 Hf Hafnium 658.5

73 Ta Tantalum 761

74 W Tungsten 770

75 Re Rhenium 760

76 Os Osmium 840

77 Ir Iridium 880

78 Pt Platinum 870

79 Au Gold 890.1

80 Hg Mercury 1007.1

81 Tl Thallium 589.4

82 Pb Lead 715.6

83 Bi Bismuth 703

84 Po Polonium 812.1

85 At Astatine 920

86 Rn Radon 1037

87 Fr Francium 380

88 Ra Radium 509.3

89 Ac Actinium 499

90 Th Thorium 587

91 Pa Protactinium 568

92 U Uranium 597.6

93 Np Neptunium 604.5

94 Pu Plutonium 584.7

94 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 Lw Lawrencium

104 Rf Rutherfordium

106 Sg Seaborgium