| I | II | III A | IV A | V A | VI A | VII A | VIII A | VIII A | VIII A | I A | II A | III | IV | V | VI | VII | VIII | |
| 1 | 1 H Wasserstoff 1,00794 |
2 He Helium 4,002602 |
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| 2 | 3 Li Lithium 6,941 |
4 Be Beryllium 9,012182 |
Ordnungszahl (Protonen) Atommasse mit * = radioaktiv |
Sysmbolname fest - flüssig - gasförmig - künstlich |
Metall | Halb- metall |
Nicht- metall |
5 B Bor 10,811 |
6 C Kohlenstoff 12,0107 |
7 N Stickstoff 14,00674 |
8 O Sauerstoff 15,9994 |
9 F Fluor 18,9984032 |
10 Ne Neon 20,1797 |
|||||
| 3 | 11 Na Natrium 22,989770 |
12 Mg Magnesium 24,3050 |
13 Al Aluminium 26,981538 |
14 Si Silicium 28,0855 |
15 P Phosphor 30,973761 |
16 S Schwefel 32,066 |
17 Cl Chlor 35,4527 |
18 Ar Argon 39,948 | ||||||||||
| 4 | 19 K Kalium 39,0983 |
20 Ca Calcium 39,0983 |
21 Sc Scandium 44,955910 |
22 Ti Titan 47,867 |
23 V Vanadium 50,9415 |
24 Cr Chrom 51,9961 |
25 Mn Mangan 54,938049 |
26 Fe Eisen 55,845 |
27 Co Cobalt 58,9332 |
28 Ni Nickel 58,6934 |
29 Cu Kupfer 63,546 |
30 Zn Zink 65,39 |
31 Ga Gallium 69,723 |
32 Ge Germanium 72,61 |
33 As Arsen 74,92160 |
34 Se Selen 78,96 |
35 Br Brom 79,904 |
36 Kr Krypton 83,80 |
| 5 | 37 Rb Rubidium 85,4678 |
38 Sr Strontium 87,62 |
39 Y Yttrium 88,90585 |
40 Zr Zirconium 91,224 |
41 Nb Niob 92,90638 |
42 Mo Molybdän 95,94 |
43 Tc Technetium 98,9063* |
44 Ru Ruthenium 101,07 |
45 Rh Rhodium 102,90550 |
46 Pd Palladium 106,42 |
47 Ag Silber 107,8682 |
48 Cd Cadmium 112,411 |
49 In Indium 114,818 |
50 Sn Zinn 118,710 |
51 Sb Antimon 121,760 |
52 Te Tellur 127,60 |
53 I Iod 126,90447 |
54 Xe Xenon 131,29 |
| 6 | 55 Cs Cäsium 132,90545 |
56 Ba Barium 137,327 |
57-71 | 72 Hf Hafnium 178,49 |
73 Ta Tantal 180,9479 |
74 W Wolfram 183,84 |
75 Re Rhenium 186,207 |
76 Os Osmium 190,23 |
77 Ir Iridium 192,217 |
78 Pt Platin 195,078 |
79 Au Gold 197,96655 |
80 Hg Quecksilber 200,59 |
81 Tl Thallium 204,3833 |
82 Pb Blei 207,2 |
83 Bi Bismut 208,98038 |
84 Po Polonium 208,9824* |
85 At Astat 209,9871* |
86 Rn Radon 222,0176* |
| 7 | 87 Fr Francium 223,0197* |
88 Ra Radium 226,0254* |
89-103 | 104 Rf Rutherfordium 261,10869* |
105 Db Dubnium 262,11376* |
106 Sg Seaborgium 263,1182* |
107 Bh Bohrium 264* |
108 Hs Hassium 269* |
109 Mt Meitnerium 268* |
110 Uun Ununnilium 273* |
111 Uuu Unununium 272* |
112 Uub Ununbium 277* |
113 Uut |
114 Uuq Ununquadium 285* |
115 Uup |
116 Uuh Ununhexium 289* |
117 Uus |
118 Uuo Ununoctium 293* |
| 6 | 57 La Lanthan 138,9055 |
58 Ce Cer 140,115 |
59 Pr Praseodym 140,90765 |
60 Nd Neodym 144,24 |
61 Pm Prometheum 144,912743* |
62 Sm Samarium 150,36 |
63 Eu Europium 151,965 |
64 Gd Gadolinium 157,25 |
65 Tb Terbium 158,92534 |
66 Dy Dysprosium 162,50 |
67 Ho Holmium 164,93032 |
68 Er Erbium 167,26 |
69 Tm Thulium 168,93421 |
70 Yb Ytterbium 173,04 |
71 Lu Lutetium 174,967 |
| 7 | 89 Ac Actinium 227,02775* |
90 Th Thorium 232,0381* |
91 Pa Protactinium 231,035880* |
92 U Uran 238,0289* |
93 Np Neptunium 237,048167* |
94 Pu Plutonium 244,064199* |
95 Am Americium 243,061375* |
96 Cm Curium 247,070347* |
97 Bk Berkelium 247,070300* |
98 Cf Californium 251,079580* |
99 Es Einsteinium 252,082944* |
100 Fm Fermium 257,075099* |
101 Md Mendelevium 258,098570* |
102 No Nobelium 259,100931* |
103 Lr Lawrencium 262,11* |