Periodensystem

1. 1HWasserstoff1.0080
2. 2HeHelium4.0026
3. 3LiLithium6.94
4. 4BeBeryllium9.0122
5. 5BBor10.81
6. 6CKohlenstoff12.011
7. 7NStickstoff14.007
8. 8OSauerstoff15.999
9. 9FFluor18.998
10. 10NeNeon20.180
11. 11NaNatrium22.990
12. 12MgMagnesium24.305
13. 13AlAluminium26.982
14. 14SiSilicium28.085
15. 15PPhosphor30.974
16. 16SSchwefel32.06
17. 17ClChlor35.45
18. 18ArArgon39.95
19. 19KKalium39.098
20. 20CaCalcium40.078
21. 21ScScandium44.956
22. 22TiTitan47.867
23. 23VVanadium50.942
24. 24CrChrom51.996
25. 25MnMangan54.938
26. 26FeEisen55.845
27. 27CoCobalt58.933
28. 28NiNickel58.693
29. 29CuKupfer63.546
30. 30ZnZink65.38
31. 31GaGallium69.723
32. 32GeGermanium72.630
33. 33AsArsen74.922
34. 34SeSelen78.971
35. 35BrBrom79.904
36. 36KrKrypton83.798
37. 37RbRubidium85.468
38. 38SrStrontium87.62
39. 39YYttrium88.906
40. 40ZrZirconium91.222
41. 41NbNiob92.906
42. 42MoMolybdän95.95
43. 43TcTechnetium[97]
44. 44RuRuthenium101.07
45. 45RhRhodium102.91
46. 46PdPalladium106.42
47. 47AgSilber107.87
48. 48CdCadmium112.41
49. 49InIndium114.82
50. 50SnZinn118.71
51. 51SbAntimon121.76
52. 52TeTellur127.60
53. 53IIod126.90
54. 54XeXenon131.29
55. 55CsCäsium132.91
56. 56BaBarium137.33
57. 57LaLanthan138.91
58. 58CeCer140.12
59. 59PrPraseodym140.91
60. 60NdNeodym144.24
61. 61PmPromethium[145]
62. 62SmSamarium150.36
63. 63EuEuropium151.96
64. 64GdGadolinium157.25
65. 65TbTerbium158.93
66. 66DyDysprosium162.50
67. 67HoHolmium164.93
68. 68ErErbium167.26
69. 69TmThulium168.93
70. 70YbYtterbium173.05
71. 71LuLutetium174.97
72. 72HfHafnium178.49
73. 73TaTantal180.95
74. 74WWolfram183.84
75. 75ReRhenium186.21
76. 76OsOsmium190.23
77. 77IrIridium192.22
78. 78PtPlatin195.08
79. 79AuGold196.97
80. 80HgQuecksilber200.59
81. 81TlThallium204.38
82. 82PbBlei207.2
83. 83BiBismut208.98
84. 84PoPolonium[209]
85. 85AtAstat[210]
86. 86RnRadon[222]
87. 87FrFrancium[223]
88. 88RaRadium[226]
89. 89AcActinium[227]
90. 90ThThorium232.04
91. 91PaProtactinium231.04
92. 92UUran238.03
93. 93NpNeptunium[237]
94. 94PuPlutonium[244]
95. 95AmAmericium[243]
96. 96CmCurium[247]
97. 97BkBerkelium[247]
98. 98CfCalifornium[251]
99. 99EsEinsteinium[252]
100. 100FmFermium[257]
101. 101MdMendelevium[258]
102. 102NoNobelium[259]
103. 103LrLawrencium[266]
104. 104RfRutherfordium[267]
105. 105DbDubnium[268]
106. 106SgSeaborgium[269]
107. 107BhBohrium[278]
108. 108HsHassium[269]
109. 109MtMeitnerium[278]
110. 110DsDarmstadtium[282]
111. 111RgRoentgenium[282]
112. 112CnCopernicium[286]
113. 113NhNihonium[286]
114. 114FlFlerovium[290]
115. 115McMoscovium[290]
116. 116LvLivermorium[293]
117. 117TsTenness[294]
118. 118OgOganesson[294]