IA

IIA

IIIA

IVA

VA

VIA

VIIA

VIII

IB

IIB

IIIB

IVB

VB

VIB

VIIB

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

1

1 Wasserstoff H 1.01

2 Helium He 4.00

2

3 Lithium Li 6.94

4 Beryllium Be 9.01

5 Bor B 10.81

6 Kohlenstoff C 12.01

7 Stickstoff N 14.01

8 Sauerstoff O 16.00

9 Fluor F 19.00

10 Neon Ne 20.18

3

11 Natrium Na 23.00

12 Magnesium Mg 24.31

13 Aluminium Al 26.98

14 Silicium Si 28.09

15 Phosphor P 30.97

16 Schwefel S 32.07

17 Chlor Cl 35.45

18 Argon Ar 39.95

4

19 Kalium K 39.10

20 Calcium Ca 40.08

21 Scandium Sc 44.96

22 Titan Ti 47.89

23 Vanadium V 50.94

24 Chrom Cr 52.00

25 Mangan Mn 54.94

26 Eisen Fe 55.85

27 Cobalt Co 58.93

28 Nickel Ni 58.69

29 Kupfer Cu 63.55

30 Zink Zn 65.39

31 Gallium Ga 69.72

32 Germanium Ge 72.61

33 Arsen As 74.92

34 Selen Se 78.96

35 Brom Br 79.90

36 Krypton Kr 83.80

5

37 Rubidium Rb 85.48

38 Strontium Sr 87.62

39 Yttrium Y 88.91

40 Zirconium Zr 91.22

41 Niob Nb 92.91

42 Molybdän Mo 95.94

43 Technetium Tc [99]

44 Ruthenium Ru 101.07

45 Rhodium Rh 102.91

46 Palladium Pd 106.42

47 Silber Ag 107.87

48 Cadmium Cd 112.41

49 Indium In 114.82

50 Zinn Sn 118.71

51 Antimon Sb 121.76

52 Tellur Te 127.60

53 Iod I 126.90

54 Xenon Xe 131.29

6

55 Caesium Cs 132.91

56 Barium Ba 137.33

57-71 Lanthanoide *

72 Hafnium Hf 178.49

73 Tantal Ta 180.95

74 Wolfram W 183.84

75 Rhenium Re 186.21

76 Osmium Os 190.23

77 Iridium Ir 192.22

78 Platin Pt 195.08

79 Gold Au 196.97

80 Quecksilber Hg 200.59

81 Thallium Tl 204.38

82 Blei Pb 207.21

83 Bismut Bi 208.98

84 Polonium Po [210]

85 Astat At [210]

86 Radon Rn [222]

7

87 Francium Fr [223]

88 Radium Ra [226]

89-103 Actinoide **

104 Rutherfordium Rf [261]

105 Dubnium Db [262]

106 Seaborgium Sg [263]

107 Bohrium Bh [264]

108 Hassium Hs [269]

109 Meitnerium Mt [268]

110 Darmstadtium Ds [269]

111 Roentgenium Rg [272]

*

57 Lanthan La 138.91

58 Cer Ce 140.12

59 Praseodym Pr 140.91

60 Neodym Nd 144.24

61 Promethium Pm [145]

62 Samarium Sm 150.36

63 Europium Eu 151.97

64 Gadolinium Gd 157.25

65 Terbium Tb 158.93

66 Dysprosium Dy 162.50

67 Holmium Ho 164.93

68 Erbium Er 167.26

69 Thulium Tm 168.93

70 Ytterbium Yb 173.04

71 Lutetium Lu 174.97

**

89 Actinium Ac [227]

90 Thorium Th 232.04

91 Protactinium Pa 231.04

92 Uran U 238.03

93 Neptunium Np [237]

94 Plutonium Pu [239]

95 Americium Am [243]

96 Curium Cm [247]

97 Berkelium Bk [247]

98 Californium Cf [252]

99 Einsteinium Es [252]

100 Fermium Fm [257]

101 Mendelevium Md [256]

102 Nobelium No [259]

103 Lawrencium Lr [260]