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Periodensystem der ElementeDas Periodensystem wurde 1869 von dem russischen Chemiker Dmitri Mendelejew (1834–1907) aufgestellt.
Periodensystem der Elemente
Liste der Elemente
Liste mit Zusatzinformationen. Ordnungs
Zahl | Symbol | Name | Atommasse | Dichte
kg/m3 | Siedepunkt
°C | Schmelzpunkt
°C | 1 | H | Wasserstoff | 1,008 | 0,090 | -252,9 | -259,1 | 2 | He | Helium | 4,003 | 0,179 | -268,9 | -269,7 | 3 | Li | Lithium | 6,94 | 534 | 1317 | 179 | 4 | Be | Beryllium | 9,012 | 1848 | 2477 | 1286 | 5 | B | Bor | 10,811 | 2460 | 2550 | 2030 | 6 | C | Kohlenstoff | 12,011 | 2260 | 4827 | 3550 | 7 | N | Stickstoff | 14,007 | 1,170 | -195,8 | -209,9 | 8 | O | Sauerstoff | 15,999 | 1,33 | -183,0 | -218,4 | 9 | F | Fluor | 18,998 | 1,58 | -188,1 | -219,6 | 10 | Ne | Neon | 20,183 | 0,84 | -246,1 | -248,7 | 11 | Na | Natrium | 22,99 | 968 | 892 | 97,8 | 12 | Mg | Magnesium | 24,305 | 1738 | 1117 | 651 | 13 | Al | Aluminium | 26,982 | 2699 | 2447 | 660,4 | 14 | Si | Silicium | 28,086 | 2336 | 2355 | 1410 | 15 | P | Phosphor | 30,974 | 1820 | 280 | 44 | 16 | S | Schwefel | 32,07 | 2060 | 444 | 114,6 | 17 | Cl | Chlor | 35,453 | 2,95 | -34,6 | -101,0 | 18 | Ar | Argon | 39,948 | 1,66 | -185,7 | -189,2 | 19 | K | Kalium | 39,10 | 856 | 774 | 63,7 | 20 | Ca | Calcium | 40,08 | 1540 | 1487 | 845 | 21 | Sc | Scandium | 44,96 | 2990 | 2730 | 1539 | 22 | Ti | Titan | 47,90 | 4510 | 3260 | 1675 | 23 | V | Vanadium | 50,94 | 6090 | 3380 | 1890 | 24 | Cr | Chrom | 52,00 | 7140 | 2482 | 1890 | 25 | Mn | Mangan | 54,94 | 7440 | 2097 | 1244 | 26 | Fe | Eisen | 55,84 | 7874 | 3070 | 1535 | 27 | Co | Kobalt | 58,93 | 8890 | 2870 | 1495 | 28 | Ni | Nickel | 58,71 | 8910 | 2732 | 1453 | 29 | Cu | Kupfer | 63,54 | 8920 | 2595 | 1083 | 30 | Zn | Zink | 65,38 | 7140 | 907 | 419,6 | 31 | Ga | Gallium | 69,72 | 5904 | 2227 | 29,8 | 32 | Ge | Germanium | 72,59 | 5323 | 2830 | 937,4 | 33 | As | Arsen | 74,92 | 5720 | | | 34 | Se | Selen | 78,96 | 4819 | 685 | 217 | 35 | Br | Brom | 79,91 | 3140 | 58,8 | -7,2 | 36 | Kr | Krypton | 83,80 | 3,749 | -153,3 | -156,6 | 37 | Rb | Rubidium | 85,47 | 1530 | 701 | 38,9 | 38 | Sr | Strontium | 87,62 | 2630 | 1384 | 769 | 39 | Y | Yttrium | 88,91 | 4470 | 3337 | 1523 | 40 | Zr | Zirkon | 91,22 | 6510 | 4377 | 1852 | 41 | Nb | Niob | 92,91 | 8580 | 4927 | 2468 | 42 | Mo | Molybdän | 95,94 | 10280 | 4800 | 2610 | 43 | Tc | Technetium | 98 | 11490 | 5030 | 2172 | 44 | Ru | Ruthenium | 101,07 | 12450 | 3900 | 2310 | 45 | Rh | Rhodium | 102,91 | 12410 | 3730 | 1966 | 46 | Pd | Palladium | 106,4 | 12020 | 3140 | 1552 | 47 | Ag | Silber | 107,87 | 10490 | 2180 | 962 | 48 | Cd | Cadmium | 112,40 | 8640 | 765 | 320,9 | 49 | In | Iridium | 114,82 | 7310 | 2080 | 156,6 | 50 | Sn | Zinn | 118,69 | 7290 | 2687 | 231,9 | 51 | Sb | Antimon | 121,75 | 6690 | 1637 | 630,7 | 52 | Te | Tellur | 127,60 | 6250 | 890 | 449,5 | 53 | J | Jod | 126,90 | 4940 | 184,4 | 113,5 | 54 | Xe | Xenon | 131,30 | 4,49 | -107 | -111,9 | 55 | Cs | Cäsium | 132,91 | 1900 | 690 | 28,5 | 56 | Ba | Barium | 137,34 | 3650 | 1640 | 725 | 57 | La | Lanthan | 138,91 | 6160 | 3470 | 920 | 58 | Ce | Cer | 140,12 | 6770 | 3257 | 798 | 59 | Pr | Praseodym | 140,91 | 6480 | 3017 | 931 | 60 | Nd | Neodym | 144,24 | 7000 | 3127 | 1010 | 61 | Pm | Promethium | 147 | 7220 | 2730 | 1080 | 62 | Sm | Samarium | 150,35 | 7540 | 1778 | 1072 | 63 | Eu | Europium | 151,96 | 5250 | 1597 | 822 | 64 | Gd | Gadolinium | 157,25 | 7890 | 3233 | 1312 | 65 | Tb | Terbium | 158,93 | 8250 | 3041 | 1360 | 66 | Dy | Dysprosium | 162,50 | 8560 | 2335 | 1409 | 67 | Ho | Holmium | 164,93 | 8780 | 2720 | 1470 | 68 | Er | Erbium | 167,26 | 9050 | 2510 | 1522 | 69 | Tm | Thulium | 168,93 | 9320 | 1727 | 1545 | 70 | Yb | Ytterbium | 173,04 | 6970 | 1520 | 824 | 71 | Lu | Lutetium | 174,97 | 9840 | 3315 | 1656 | 72 | Hf | Hafnium | 178,49 | 13310 | 5400 | 2150 | 73 | Ta | Tantal | 180,95 | 16680 | 5430 | 2996 | 74 | W | Wolfram | 183,85 | 19260 | 5500 | 3410 | 75 | Re | Rhenium | 186,2 | 21030 | 5630 | 3180 | 76 | Os | Osmium | 190,1 | 22590 | 5030 | 3045 | 77 | Ir | Iridium | 192,2 | 22560 | 4130 | 2410 | 78 | Pt | Platin | 195,1 | 21450 | 3830 | 1772 | 79 | Au | Gold | 196,97 | 19320 | 2707 | 1064 | 80 | Hg | Quecksilber | 200,59 | 13550 | 356,6 | -38,9 | 81 | Tl | Thallium | 204,37 | 11850 | 1457 | 303,5 | 82 | Pb | Blei | 207,2 | 11340 | 1751 | 327,5 | 83 | Bi | Bismut | 208,98 | 9800 | 1560 | 271,3 | 84 | Po | Polonium | 210 | 9200 | 962 | 254 | 85 | At | Astat | 210 | | 377 | 302 | 86 | Rn | Radon | 222 | 9,23 | -61,8 | -71 | 87 | Fr | Francium | 223 | | 680 | 27 | 88 | Ra | Radium | 226 | 5500 | 1140 | 700 | 89 | Ac | Actinium | 227 | 10070 | 3200 | 1200 | 90 | Th | Thorium | 232,04 | 11720 | 4787 | 1750 | 91 | Pa | Protactinium | 231 | 15370 | 4030 | 1227 | 92 | U | Uran | 238,03 | 18970 | 3818 | 1132 | 93 | Np | Neptunium | 237 | 20480 | 3902 | 640 | 94 | Pu | Plutonium | 244 | 19740 | 3327 | 641 | 95 | Am | Americium | 243 | 13670 | 2607 | 994 | 96 | Cm | Curium | 247 | 13510 | 3110 | 1340 | 97 | Bk | Berkelium | 249 | 13250 | | 986 | 98 | Cf | Californium | 252 | 15100 | | 900 | 99 | Es | Einsteinium | 254 | | | 860 | 100 | Fm | Fermium | 257 | | | | 101 | Md | Mendelevium | 258 | | | | 102 | No | Nobelium | 259 | | | | 103 | Lr | Lawrencium | 260 | | | 1627 | 104 | Rf | Rutherfordium | 261 | | | | 105 | Db | Dubnium | 262 | | | | 106 | Sg | Seaborgium | 263,12 | | | | 107 | Bh | Bohrium | 262,12 | | | | 108 | Hs | Hassium | 265 | | | | 109 | Mt | Meitnerium | 266 | | | | 110 | Ds | Darmstadtium | 269 | | | | 111 | Rg | Roentgenium | 272 | | | | 112 | Cn | Copernicium | 277 | | | | 113 | Nh | Nihonium | 287 | | | | 114 | Fl | Flerovium | 289 | | | | 115 | Mc | Moscovium | 288 | | | | 116 | Lv | Livermorium | 289 | | | | 117 | Ts | Tenness | 292 | | | | 118 | Og | Oganesson | 293 | | | |
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