Chemische Elemente
Ordnungs- zahl |
Name | Symbol | atomare Masse (u) |
Dichte (kg/m³ bei 20 °C) |
Schmelzpunkt (°C) |
Siedepunkt (°C) |
Entdeckungs- jahr |
1 | Wasserstoff | H | 1,01 | 0,084 | -259,7 | -252,9 | 1766 |
2 | Helium | He | 4,00 | 0,170 | -272,2 | -268,9 | 1895 |
3 | Lithium | Li | 6,94 | 530 | 180,5 | 1317 | 1817 |
4 | Beryllium | Be | 9,01 | 1850 | 1278 | 2970 | 1797 |
5 | Bor | B | 10,81 | 2460 | 2300 | 2550 | 1808 |
6 | Kohlenstoff | C | 12,01 | 3510 | 3550 | 3550 | - |
7 | Stickstoff | N | 14,01 | 1,170 | -209,9 | -195,8 | 1771 |
8 | Sauerstoff | O | 16,00 | 1,33 | -218,4 | -182,9 | 1774 |
9 | Fluor | F | 19,00 | 1,58 | -219,6 | -188,1 | 1886 |
10 | Neon | Ne | 20,18 | 0,84 | -248,7 | -246,1 | 1898 |
11 | Natrium | Na | 22,99 | 970 | 97,8 | 892 | 1807 |
12 | Magnesium | Mg | 24,30 | 1740 | 648,8 | 1107 | 1828 |
13 | Aluminum | Al | 26,98 | 2700 | 660,5 | 2467 | 1825 |
14 | Silizium | Si | 28,09 | 2330 | 1410 | 2355 | 1824 |
15 | Phosphor | P | 30,91 | 1820 | 449,6 | 280 | 1669 |
16 | Schwefel | S | 32,07 | 2060 | 113,5 | 444,7 | - |
17 | Chlor | Cl | 35,45 | 2,95 | -101 | -34,6 | 1774 |
18 | Argon | Ar | 39,94 | 1,66 | -189,4 | -185,9 | 1894 |
19 | Kalium | K | 39,10 | 860 | 63,7 | 774 | 1807 |
20 | Kalzium | Ca | 40,08 | 1540 | 839 | 1487 | 1808 |
21 | Scandium | Sc | 44,96 | 2990 | 1539 | 2832 | 1879 |
22 | Titan | Ti | 47,88 | 4510 | 1660 | 3260 | 1791 |
23 | Vanadium | V | 50,94 | 6090 | 1890 | 3380 | 1801 |
24 | Chrom | Cr | 52,00 | 7140 | 1857 | 2482 | 1797 |
25 | Mangan | Mn | 54,90 | 7440 | 1244 | 2097 | 1774 |
26 | Eisen | Fe | 55,85 | 7870 | 1535 | 2750 | - |
27 | Kobalt | Co | 58,93 | 8890 | 1495 | 2870 | 1735 |
28 | Nickel | Ni | 58,69 | 8910 | 1453 | 2732 | 1751 |
29 | Kupfer | Cu | 63,55 | 8920 | 1083,5 | 2595 | - |
30 | Zink | Zn | 65,39 | 7140 | 419,6 | 907 | - |
31 | Gallium | Ga | 69,72 | 5910 | 29,8 | 2403 | 1875 |
32 | Germanium | Ge | 72,61 | 5320 | 937,4 | 2830 | 1886 |
33 | Arsen | As | 74,95 | 5720 | 613 | 613 | 13. Jhd. |
34 | Selen | Se | 78,96 | 4820 | 217 | 685 | 1817 |
35 | Brom | Br | 79,90 | 3140 | -7,3 | 58,8 | 1826 |
36 | Krypton | Kr | 83,80 | 3,48 | -156,6 | -152,3 | 1898 |
37 | Rubidium | Rb | 85,45 | 1530 | 39 | 688 | 1861 |
38 | Strontium | Sr | 87,62 | 2630 | 769 | 1384 | 1798 |
39 | Yttrium | Y | 88,91 | 4470 | 1523 | 3337 | 1794 |
40 | Zirkonium | Zr | 91,22 | 6510 | 1852 | 4377 | 1789 |
41 | Nobium | Nb | 92,91 | 8580 | 2468 | 4927 | 1801 |
42 | Molybdän | Mo | 95,94 | 10280 | 2617 | 5660 | 1778 |
43 | Technetium | Tc | 98,91 | 11490 | 2172 | 5030 | 1937 |
44 | Ruthenium | Ru | 101,07 | 12450 | 2310 | 3900 | 1844 |
45 | Rhodium | Rh | 102,91 | 12410 | 1966 | 3727 | 1803 |
46 | Palladium | Pd | 106,42 | 12020 | 1552 | 3140 | 1803 |
47 | Silber | Ag | 107,87 | 10490 | 961,9 | 2212 | - |
48 | Kadmium | Cd | 112,41 | 8640 | 321 | 765 | 1817 |
49 | Indium | In | 114,82 | 7310 | 156,2 | 2080 | 1863 |
50 | Zinn | Sn | 118,71 | 7290 | 232 | 2270 | - |
51 | Antimon | Sb | 121,75 | 6690 | 630,7 | 1750 | - |
52 | Tellur | Te | 127,60 | 6250 | 449,6 | 990 | 1782 |
53 | Jod | I | 126,90 | 4940 | 113,5 | 184,4 | 1811 |
54 | Xenon | Xe | 131,29 | 4,49 | -111,9 | -107 | 1898 |
55 | Cäsium | Cs | 132,91 | 1900 | 28,4 | 690 | 1860 |
56 | Barium | Ba | 137,33 | 3650 | 725 | 1640 | 1808 |
57 | Lanthan | La | 138,90 | 6160 | 920 | 3454 | 1839 |
58 | Cer | Ce | 140,11 | 6770 | 798 | 3257 | 1803 |
59 | Praseodym | Pr | 140,91 | 6480 | 931 | 3212 | 1895 |
60 | Neodym | Nd | 144,24 | 7000 | 1010 | 3127 | 1895 |
61 | Promethium | Pm | 146,92 | 7220 | 1080 | 2730 | 1945 |
62 | Samarium | Sm | 150,36 | 7540 | 1072 | 1778 | 1897 |
63 | Europium | Eu | 151,96 | 5250 | 822 | 1597 | 1901 |
64 | Gadolinium | Gd | 157,25 | 7890 | 1311 | 3233 | 1880 |
65 | Terbium | Tb | 158,93 | 8250 | 1360 | 3041 | 1843 |
66 | Dysprosium | Dy | 162,50 | 8560 | 1409 | 2335 | 1886 |
67 | Holmium | Ho | 164,93 | 8780 | 1470 | 2720 | 1878 |
68 | Erbium | Er | 167,26 | 9050 | 1522 | 2510 | 1824 |
69 | Thulium | Tm | 168,93 | 9320 | 1545 | 1727 | 1897 |
70 | Ytterbium | Yb | 173,04 | 6970 | 824 | 1193 | 1878 |
71 | Lutetium | Lu | 174,97 | 9840 | 1656 | 3315 | 1907 |
72 | Hafnium | Hf | 178,49 | 13310 | 2150 | 5400 | 1923 |
73 | Tantal | Ta | 180,95 | 16680 | 2996 | 5425 | 1802 |
74 | Wolfram | W | 183,85 | 19260 | 3407 | 5927 | 1783 |
75 | Rhenium | Re | 186,21 | 21030 | 3180 | 5627 | 1925 |
76 | Osmium | Os | 190,23 | 22590 | 3045 | 5027 | 1803 |
77 | Iridium | Ir | 192,22 | 22560 | 2410 | 4130 | 1803 |
78 | Platin | Pt | 195,08 | 21450 | 1772 | 3827 | 1557 |
79 | Gold | Au | 196,97 | 19320 | 1064,4 | 2940 | - |
80 | Quecksilber | Hg | 200,59 | 13550 | -38,9 | 356,6 | - |
81 | Thallium | Tl | 204,38 | 11850 | 303,6 | 1457 | 1861 |
82 | Blei | Pb | 207,20 | 11340 | 327,5 | 1740 | - |
83 | Wismut | Bi | 208,98 | 9800 | 271,4 | 1560 | 1540 |
84 | Polonium | Po | 208,98 | 9200 | 254 | 962 | 1898 |
85 | Astat | At | 209,99 | - | 302 | 337 | 1940 |
86 | Radon | Rn | 222,02 | 9,23 | -71 | -61,8 | 1900 |
87 | Franzium | Fr | 223,02 | - | 27 | 677 | 1939 |
88 | Radium | Ra | 226,03 | 5500 | 700 | 1140 | 1898 |
89 | Aktinium | Ac | 227,03 | 10070 | 1047 | 3197 | 1899 |
90 | Thorium | Th | 232,04 | 11720 | 1750 | 4787 | 1829 |
91 | Protactinium | Pa | 231,04 | 15370 | 1554 | 4030 | 1917 |
92 | Uran | U | 238,03 | 18970 | 1132,4 | 3818 | 1789 |
93 | Neptunium | Np | 237,05 | 20480 | 640 | 3902 | 1940 |
94 | Plutonium | Pu | 244,06 | 19740 | 641 | 3327 | 1940 |
95 | Amerikium | Am | 243,06 | 13670 | 994 | 2607 | 1944 |
96 | Curium | Cm | 247,07 | 13510 | 1340 | 3110 | 1944 |
97 | Berkelium | Bk | 247,07 | 13250 | 986 | 1949 | |
98 | Kalifornium | Cf | 251,08 | 15100 | 900 | 1950 | |
99 | Einsteinium | Es | 252,08 | - | 860 | 1952 | |
100 | Fermium | Fm | 257,10 | - | - | 1952 | |
101 | Mendelevium | Md | 258,00 | - | - | 1955 | |
102 | Nobelium | No | 259,00 | - | - | 1958 | |
103 | Lawrencium | Lr | 260,00 | - | 1627 | 1961 | |
104 | Rutherfordium | Rf | 261,11 | - | - | 1964/69 | |
105 | Dubnium | Db | 262,11 | - | - | 1967/70 | |
106 | Seaborgium | Sg | 263,12 | - | - | 1974 | |
107 | Bohrium | Bh | 262,12 | - | - | 1976 | |
108 | Hassium | Hs | 265,00 | - | - | 1984 | |
109 | Meitnerium | Mt | 266,00 | - | - | 1982 | |
110 | Darmstadtium | Ds | 269,00 | - | - | 1994 | |
111 | Röntgenium | Rg | 272,00 | - | - | 1994 | |
112 | Ununbium | Uub | 277,00 | - | - | 1996 | |
113 | Ununtrium | Uut | 287,00 | - | - | 2006 | |
114 | Ununquadium | Uuq | 289,00 | - | - | 1999 | |
115 | Ununpentium | Uup | 288,00 | - | - | 2006 | |
116 | Ununhexium | Uuh | 289,00 | - | - | 2000 | |
117 | Ununseptium | Uus | - | - | - | 2010 | |
118 | Ununoctium | Uuo | 293,00 | - | - | 2006 | |