Kemia
Simbolo
| Nomo
| Atom-
n-ro
| Atommaso
[g/mol]
| Denso
[g/cm³]
| Fandop.
°C
| Bolp.
°C
| Mal-
kovro
[jaro] | Malkovrinto
| Kombinaĵoj de
|
|---|
| H | Hidrogeno | 1 | 1,00794 | 0,084[1] | -259,1 | -252,9 | 1766 | Henry Cavendish | Hidrogeno |
| He | Heliumo | 2 | 4,002602 | 0,17[1] | -272,2 | -268,9 | 1895 | William Ramsay kajWilliam Crookes | Heliumo |
| Li | Litio | 3 | 6,941 | 0,53 | 180,5 | 1317 | 1817 | Johan August Arfwedson | Litio |
| Be | Berilio | 4 | 9,012182 | 1,85 | 1278 | 2970 | 1797 | Louis-Nicolas Vauquelin | Berilio |
| B | Boro | 5 | 10,811 | 2,46 | 2300 | 2550 | 1808 | Humphry Davy kajGay-Lussac | Boro |
| C | Karbono | 6 | 12,011 | 3,51 | 3550 | 4827 | - ∞[2] | | Karbono |
| N | Nitrogeno | 7 | 14,00674 | 1,17[1] | -209,9 | -195,8 | 1772 | Carl Wilhelm Scheele | Nitrogeno |
| O | Oksigeno | 8 | 15,9994 | 1,33[1] | -218,4 | -182,9 | 1774 | Priestley kajCarl Wilhelm Scheele | Oksigeno |
| F | Fluoro | 9 | 18,9984032 | 1,58[1] | -219,6 | | 1886 | Henri Moissan | Fluoro |
| Ne | Neono | 10 | 20,1797 | 0,84[1] | -248,7 | -246,1 | 1898 | William Ramsay kajMorris Travers | Neono |
| Na | Natrio | 11 | 22,989768 | 0,97 | 97,8 | 892 | 1807 | Humphry Davy | Natrio |
| Mg | Magnezio | 12 | 24,305 | 1,74 | 648,8 | 1107 | 1828 | Bussy kajJoseph Black | Magnezio |
| Al | Aluminio | 13 | 26,981539 | 2,7 | 660,5 | 2467 | 1825 | Hans Christian Ørsted | Aluminio |
| Si | Silicio | 14 | 28,0855 | 2,33 | 1410 | 2355 | 1824 | Jöns Jakob Berzelius | Silicio |
| P | Fosforo | 15 | 30,973762 | 1,82 | 44 (P4) | 280 (P4) | 1669 | Hennig Brandt | Fosforo |
| S | Sulfuro | 16 | 32,066 | 2,06 | 113 | 444,7 | - ∞[2] | | Sulfuro |
| Cl | Kloro | 17 | 35,4527 | 2,95[1] | -34,6 | -101 | 1774 | Carl Wilhelm Scheele | Kloro |
| Ar | Argono | 18 | 39,948 | 1,66[1] | -189,4 | -185,9 | 1894 | William Ramsay kajRayleigh | Argono |
| K | Kalio | 19 | 39,0983 | 0,86 | 63,7 | 774 | 1807 | Humphry Davy | Kalio |
| Ca | Kalcio | 20 | 40,078 | 1,54 | 839 | 1487 | 1808 | Humphry Davy | Kalcio |
| Sc | Skandio | 21 | 44,95591 | 2,99 | 1539 | 2832 | 1879 | Lars Fredrik Nilson | Skandio |
| Ti | Titano | 22 | 47,88 | 4,51 | 1660 | 3260 | 1791 | William Gregor kajMartin Heinrich Klaproth | Titano |
| V | Vanado | 23 | 50,9415 | 6,09 | 1890 | 3380 | 1801 | del Rio kajSefström | Vanado |
| Cr | Kromo | 24 | 51,9961 | 7,14 | 1857 | 2482 | 1797 | Louis-Nicolas Vauquelin | Kromo |
| Mn | Mangano | 25 | 54,93805 | 7,44 | 1244 | 2097 | 1774 | Johan Gottlieb Gahn | Mangano |
| Fe | Fero | 26 | 55,847 | 7,87 | 1535 | 2750 | - ∞[2] | | Fero |
| Co | Kobalto | 27 | 58,9332 | 8,89 | 1495 | 2870 | 1735 | Georg Brandt | Kobalto |
| Ni | Nikelo | 28 | 58,69 | 8,91 | 1453 | 2732 | 1751 | Axel Cronstedt | Nikelo |
| Cu | Kupro | 29 | 63,546 | 8,92 | 1083,5 | 2595 | - ∞[2] | | Kupro |
| Zn | Zinko | 30 | 65,39 | 7,14 | 419,6 | 907 | - ∞[2] | | Zinko |
| Ga | Galiumo | 31 | 69,723 | 5,91 | 29,8 | 2403 | 1875 | Lecoq de Boisbaudran | Galiumo |
| Ge | Germaniumo | 32 | 72,61 | 5,32 | 937,4 | 2830 | 1886 | Clemens Winkler | Germaniumo |
| As | Arseno | 33 | 74,92159 | 5,72 | 613 | 613[3] | 1250 (~) | Albertus Magnus | Arseno |
| Se | Seleno | 34 | 78,96 | 4,82 | 217 | 685 | 1817 | Jöns Jakob Berzelius | Seleno |
| Br | Bromo | 35 | 79,904 | 3,14 | -7,3 | 58,8 | 1826 | Antoine-Jérôme Balard | Bromo |
| Kr | Kriptono | 36 | 83,8 | 3,48[1] | -156,6 | -152,3 | 1898 | William Ramsay kajMorris Travers | Kriptono |
| Rb | Rubidio | 37 | 85,4678 | 1,53 | 39 | 688 | 1861 | Robert Wilhelm Bunsen kajKirchhoff | Rubidio |
| Sr | Stroncio | 38 | 87,62 | 2,63 | 769 | 1384 | 1798 | Martin Heinrich Klaproth | Stroncio |
| Y | Itrio | 39 | 88,90585 | 4,47 | 1523 | 3337 | 1794 | Johano Gadolino kajCarl Axel Arrhenius | Itrio |
| Zr | Zirkonio | 40 | 91,224 | 6,51 | 1852 | 4377 | 1789 | Martin Heinrich Klaproth | Zirkonio |
| Nb | Niobio | 41 | 92,90638 | 8,58 | 2468 | 4927 | 1801 | Charles Hatchett | Niobio |
| Mo | Molibdeno | 42 | 95,94 | 10,28 | 2617 | 5560 | 1778 | Carl Wilhelm Scheele kajPeter Jacob Hjelm | Molibdeno |
| Tc | Teknecio | 43 | 98,9063 | 11,49 | 2172 | 5030 | 1937 | Emilio Gino Segrè | Teknecio |
| Ru | Rutenio | 44 | 101,07 | 12,45 | 2310 | 3900 | 1844 | Karl Ernst Claus | Rutenio |
| Rh | Rodio | 45 | 102,9055 | 12,41 | 1966 | 3727 | 1803 | William Hyde Wollaston | Rodio |
| Pd | Paladio | 46 | 106,42 | 12,02 | 1552 | 3140 | 1803 | William Hyde Wollaston | Paladio |
| Ag | Arĝento | 47 | 107,8682 | 10,49 | 961,9 | 2212 | - ∞[2] | | Arĝento |
| Cd | Kadmio | 48 | 112,411 | 8,64 | 321 | 765 | 1817 | Friedrich Stromeyer kajCarl Samuel Hermann | Kadmio |
| In | Indio | 49 | 114,82 | 7,31 | 156,2 | 2080 | 1863 | Ferdinand Reich kajTheodor Richter | Indio |
| Sn | Stano | 50 | 118,71 | 7,29 | 232 | 2270 | - ∞[2] | | Stano |
| Sb | Antimono | 51 | 121,75 | 6,69 | 630,7 | 1750 | - ∞[2] | | Antimono |
| Te | Teluro | 52 | 127,6 | 6,25 | 449,6 | 990 | 1782 | Franz von Reichenstein | Teluro |
| I | Jodo | 53 | 126,90447 | 4,94 | 113,5 | 184,4 | 1811 | Bernard Courtois | Jodo |
| Xe | Ksenono | 54 | 131,29 | 4,49[1] | -111,9 | -107 | 1898 | William Ramsay kajMorris Travers | Ksenono |
| Cs | Cezio | 55 | 132,90543 | 1,9 | 28,4 | 690 | 1860 | Kirchhoff kajRobert Wilhelm Bunsen | Cezio |
| Ba | Bario | 56 | 137,327 | 3,65 | 725 | 1640 | 1808 | Humphry Davy | Bario |
| La | Lantano | 57 | 138,9055 | 6,16 | 920 | 3454 | 1839 | Carl Gustaf Mosander | Lantano |
| Ce | Cerio | 58 | 140,115 | 6,77 | 798 | 3257 | 1803 | Wilhelm von Hisinger kajJöns Jakob Berzelius | Cerio |
| Pr | Prazeodimo | 59 | 140,90765 | 6,48 | 931 | 3212 | 1895 | Carl Auer von Welsbach | Prazeodimo |
| Nd | Neodimo | 60 | 144,24 | 7 | 1010 | 3127 | 1895 | Carl Auer von Welsbach | Neodimo |
| Pm | Prometio | 61 | 146,9151 | 7,22 | 1080 | 2730 | 1945 | Jacob A. Marinsky | Prometio |
| Sm | Samario | 62 | 150,36 | 7,54 | 1072 | 1778 | 1879 | Lecoq de Boisbaudran | Samario |
| Eu | Eŭropio | 63 | 151,965 | 5,25 | 822 | 1597 | 1901 | Eugène-Anatole Demarçay | Eŭropio |
| Gd | Gadolinio | 64 | 157,25 | 7,89 | 1311 | 3233 | 1880 | Galissard de Marignac | Gadolinio |
| Tb | Terbio | 65 | 158,92534 | 8,25 | 1360 | 3041 | 1843 | Carl Gustaf Mosander | Terbio |
| Dy | Disprozio | 66 | 162,5 | 8,56 | 1409 | 2335 | 1886 | Lecoq de Boisbaudran | Disprozio |
| Ho | Holmio | 67 | 164,93032 | 8,78 | 1470 | 2720 | 1878 | Jacques-Louis Soret | Holmio |
| Er | Erbio | 68 | 167,26 | 9,05 | 1522 | 2510 | 1842 | Carl Gustaf Mosander | Erbio |
| Tm | Tulio | 69 | 168,93421 | 9,32 | 1545 | 1727 | 1879 | Per Teodor Cleve | Tulio |
| Yb | Iterbio | 70 | 173,04 | 6,97 | 824 | 1193 | 1878 | Galissard de Marignac | Iterbio |
| Lu | Lutecio | 71 | 174,967 | 9,84 | 1656 | 3315 | 1907 | Carl Auer von Welsbach,Urbain | Lutecio |
| Hf | Hafnio | 72 | 178,49 | 13,31 | 2150 | 5400 | 1923 | Dirk Coster kajGeorge de Hevesy | Hafnio |
| Ta | Tantalo | 73 | 180,9479 | 16,68 | 2996 | 5425 | 1802 | Anders Gustaf Ekeberg | Tantalo |
| W | Volframo | 74 | 183,85 | 19,26 | 3407 | 5927 | 1783 | Fausto Elhuyar kajJuan José Elhuyar | Volframo |
| Re | Renio | 75 | 186,207 | 21,03 | 3180 | 5627 | 1925 | Noddack,Ida Noddack kajOtto Berg | Renio |
| Os | Osmio | 76 | 190,2 | 22,61 | 3045 | 5027 | 1803 | Smithson Tennant | Osmio |
| Ir | Iridio | 77 | 192,22 | 22,65 | 2410 | 4130 | 1803 | Smithson Tennant | Iridio |
| Pt | Plateno | 78 | 195,08 | 21,45 | 1772 | 3827 | 1557 | Julius Caesar Scaliger | Plateno |
| Au | Oro | 79 | 196,96654 | 19,32 | 1064,4 | 2940 | - ∞[2] | | Oro |
| Hg | Hidrargo | 80 | 200,59 | 13,55 | -38,9 | 356,6 | - ∞[2] | | Hidrargo |
| Tl | Talio | 81 | 204,3833 | 11,85 | 303,6 | 1457 | 1861 | William Crookes | Talio |
| Pb | Plumbo | 82 | 207,2 | 11,34 | 327,5 | 1740 | - ∞[2] | | Plumbo |
| Bi | Bismuto | 83 | 208,98037 | 9,8 | 271,4 | 1560 | 1540 | Claude François Geoffroy kajGeorgius Agricola | Bismuto |
| Po | Polonio | 84 | 208,9824 | 9,2 | 254 | 962 | 1898 | Marie Curie | Polonio |
| At | Astato | 85 | 209,9871 | | 302 | 337 | 1940 | Emilio Gino Segrè | Astato |
| Rn | Radono | 86 | 222,0176 | 9,23[1] | -71 | -61,8 | 1900 | Friedrich Ernst Dorn | Radono |
| Fr | Franciumo | 87 | 223,0197 | | 27 | 677 | 1939 | Marguerite Perey | Franciumo |
| Ra | Radiumo | 88 | 226,0254 | 5,5 | 700 | 1140 | 1898 | Marie Curie kajPierre Curie | Radiumo |
| Ac | Aktinio | 89 | 227,0278 | 10,07 | 1047 | 3197 | 1899 | André-Louis Debierne | Aktinio |
| Th | Torio | 90 | 232,0381 | 11,72 | 1750 | 4787 | 1829 | Jöns Jakob Berzelius | Torio |
| Pa | Protaktinio | 91 | 231,0359 | 15,37 | 1554 | 4030 | 1917 | Fajans,Hahn kajMeitner | Protaktinio |
| U | Uranio | 92 | 238,0289 | 18,97 | 1132,4 | 3818 | 1789 | Martin Heinrich Klaproth | Uranio |
| Np | Neptunio | 93 | 237,0482 | 20,48 | 640 | 3902 | 1940 | McMillan kajPhilip Hauge Abelson | Neptunio |
| Pu | Plutonio | 94 | 244,0642 | 19,74 | 641 | 3327 | 1940 | Glenn Theodore Seaborg | Plutonio |
| Am | Americio | 95 | 243,0614 | 13,67 | 994 | 2607 | 1944 | Glenn Theodore Seaborg | Americio |
| Cm | Kuriumo | 96 | 247,0703 | 13,51 | 1340 | | 1944 | Glenn Theodore Seaborg | Kuriumo |
| Bk | Berkelio | 97 | 247,0703 | 13,25 | 986 | | 1949 | Glenn Theodore Seaborg | Berkelio |
| Cf | Kaliforniumo | 98 | 251,0796 | 15,1 | 900 | | 1950 | Glenn Theodore Seaborg | Kaliforniumo |
| Es | Ejnŝtejnio | 99 | 252,0829 | | 860 | | 1952 | Glenn Theodore Seaborg | Ejnŝtejnio |
| Fm | Fermio | 100 | 257,0951 | | | | 1952 | Glenn Theodore Seaborg | Fermio |
| Md | Mendelevio | 101 | 258,0986 | | | | 1955 | Glenn Theodore Seaborg | Mendelevio |
| No | Nobelio | 102 | 259,1009 | | | | 1958 | Glenn Theodore Seaborg | Nobelio |
| Lr | Laŭrencio | 103 | 260,1053 | | | | 1961 | Ghiorso | Laŭrencio |
| Rf | Ruterfordio | 104 | 261,1087 | | | | 1964/69 | Ghiorso | Ruterfordio |
| Db | Dubnio | 105 | 262,1138 | | | | 1967/70 | Ghiorso | Dubnio |
| Sg | Seborgio | 106 | 263,1182 | | | | 1974 | Oganessian(de: Oganessian) | Seborgio |
| Bh | Borio | 107 | 262,1229 | | | | 1976 | Oganessian(de: Oganessian) | Borio |
| Hs | Hasio | 108 | 265 | | | | 1984 | GSI[4] | Hasio |
| Mt | Mejtnerio | 109 | 266 | | | | 1982 | GSI[4] | Mejtnerio |
| Ds | Darmŝtatio | 110 | 269 | | | | 1994 | GSI[4] | Darmŝtatio |
| Rg | Rentgenio | 111 | 272 | | | | 1994 | GSI[4] | Rentgenio |
| Cn | Kopernicio | 112 | 277 | | | | 1996 | GSI[4] | Kopernicio |
| Nh | Nihonio | 113 | 287 | | | | 2006 | JINR[5] | Ununtrio |
| Fl | Flerovio | 114 | 289 | | | | 1999 | Georgij Florov (1913-1990) | Flerovio |
| Mc | Moskovio | 115 | 288 | | | | 2006 | JINR[5] | Moskovio |
| Lv | Livermorio | 116 | 289 | | | | 2000 | JINR[5] | Livermorio |
| Ts | Teneso | 117 | 294 | | | | 2010 | JINR[5][6][7] | Teneso |
| Og | Oganesono | 118 | 293 | | | | 2006 | JINR[5] | Oganesono |
