Elementos Qumicos

1 | Hidrógeno | H | 1, 1 | 1.00794(7)(2) (3) (4) | 0.084 g/l | -259.1 | -252.69 | 1766 | Cavendish |
2 | Helio | He | 1, 18 | 4.002602(2)(2) (4) | 0.17 g/l | -272.2 | -268.9 | 1895 | Ramsay y Cleve |
3 | Litio | Li | 2, 1 | 6.941(2)(2) (3) (4) (5) | 0.53 | 180.5 | 1317 | 1817 | Arfwedson |
4 | Berilio | Be | 2, 2 | 9.012182(3) | 1.85 | 1278 | 2970 | 1797 | Vauquelin |
5 | Boro | B | 2, 13| 10.811(7)(2) (3) (4) | 2.46 | 2300 | 2550 | 1808 | Davy y Gay-Lussac |
6 | Carbono | C | 2, 14 | 12.0107(8)(2) (4) | 3.51 | 3550 | 4827 | Prehistoria | Desconocido |
7 | Nitrógeno | N | 2, 15 | 14.0067(2)(2) (4) | 1.17 g/l | -209.9 | -195.8 | 1772 | Rutherford |
8 | Oxígeno | O | 2, 16 | 15.9994(3)(2) (4) | 1.33 g/l | -218.4 | -182.9 | 1774 | Priestly y Scheele |
9 | Flúor | F | 2, 17 |18.9984032(5) | 1.58 g/l | -219.6 | -188.1 | 1886 | Moissan |
10 | Neón | Ne | 2, 18 | 20.1797(6)(2) (3) | 0.84 g/l | -248.7 | -246.1 | 1898 | Ramsay y Travers |
11 | Sodio | Na | 3, 1 | 22.98976928(2) | 0.97 | 97.8 | 892 | 1807 | Davy |
12 | Magnesio | Mg | 3, 2 | 24.3050(6) | 1.74 | 648.8 | 1107 | 1755 | Black |
13 | Aluminio | Al | 3, 13 | 26.9815386(8) | 2.70 | 660.5 | 2467 | 1825 |Oersted |
14 | Silicio | Si | 3, 14 | 28.0855(3)(4) | 2.33 | 1410 | 2355 | 1824 | Berzelius |
15 | Fósforo | P | 3, 15 | 30.973762(2) | 1.82 | 44 (P4) | 280 (P4) | 1669 | Brand |
16 | Azufre | S | 3, 16 | 32.065(5)(2) (4) | 2.06 | 113 | 444.7 | Prehistoria | Desconocido |
17 | Cloro | Cl | 3, 17 | 35.453(2)(2) (3) (4) | 2.95 g/l | -34.6 | -101 | 1774 | Scheele |
18 | Argón | Ar | 3, 18 |39.948(1)(2) (4) | 1.66 g/l | -189.4 | -185.9 | 1894 | Ramsay y Rayleigh |
19 | Potasio | K | 4, 1 | 39.0983(1) | 0.86 | 63.7 | 774 | 1807 | Davy |
20 | Calcio | Ca | 4, 2 | 40.078(4)(2) | 1.54 | 839 | 1487 | 1808 | Davy |
21 | Escandio | Sc | 4, 3 | 44.955912(6) | 2.99 | 1539 | 2832 | 1879 | Nilson |
22 | Titanio | Ti | 4, 4 | 47.867(1) | 4.51 | 1660 | 3260 | 1791 | Gregor y Klaproth |23 | Vanadio | V | 4, 5 | 50.9415(1) | 6.09 | 1890 | 3380 | 1801 | del Río |
24 | Cromo | Cr | 4, 6 | 51.9961(6) | 7.14 | 1857 | 2482 | 1797 | Vauquelin |
25 | Manganeso | Mn | 4, 7 | 54.938045(5) | 7.44 | 1244 | 2097 | 1774 | Gahn |
26 | Hierro | Fe | 4, 8 | 55.845(2) | 7.87 | 1535 | 2750 | Prehistoria | Desconocido |
27 | Cobalto | Co | 4, 9 | 58.933195(5) | 8.89 | 1495 | 2870 | 1735 |Brandt |
28 | Níquel | Ni | 4, 10 | 58.6934(2) | 8.91 | 1453 | 2732 | 1751 | Cronstedt |
29 | Cobre | Cu | 4, 11 | 63.546(3)(4) | 8.92 | 1083.5 | 2595 | Prehistoria | Desconocido |
30 | Zinc | Zn | 4, 12 | 65.409(4) | 7.14 | 419.6 | 907 | Prehistoria | Desconocido |
31 | Galio | Ga | 4, 13 | 69.723(1) | 5.91 | 29.8 | 2403 | 1875 | Lecoq de Boisbaudran |
32 | Germanio | Ge | 4, 14 |72.64(1) | 5.32 | 937.4 | 2830 | 1886 | Winkler |
33 | Arsénico | As | 4, 15 | 74.92160(2) | 5.72 | 613 | 613
(sublimación) | ca. 1250 | Albertus Magnus |
34 | Selenio | Se | 4, 16 | 78.96(3)(4) | 4.82 | 217 | 685 | 1817 | Berzelius |
35 | Bromo | Br | 4, 17 | 79.904(1) | 3.14 | -7.3 | 58.8 | 1826 | Balard |
36 | Kriptón | Kr | 4, 18 | 83.798(2)(2) (3) | 3.48 g/l | -156.6 | -152.3 | 1898 |Ramsay y Travers |
37 | Rubidio | Rb | 5, 1 | 85.4678(3)(2) | 1.53 | 39 | 688 | 1861 | Bunsen y Kirchhoff |
38 | Estroncio | Sr | 5, 2 | 87.62(1)(2) (4) | 2.63 | 769 | 1384 | 1790 | Crawford |
39 | Itrio | Y | 5, 3 | 88.90585(2) | 4.47 | 1523 | 3337 | 1794 | Gadolin |
40 | Circonio | Zr | 5, 4 | 91.224(2)(2) | 6.51 | 1852 | 4377 | 1789 | Klaproth |
41 | Niobio | Nb | 5, 5 | 92.906 38(2) |8.58 | 2468 | 4927 | 1801 | Hatchett |
42 | Molibdeno | Mo | 5, 6 | 95.94(2)(2) | 10.28 | 2617 | 5560 | 1778 | Scheele |
43 | Tecnecio | Tc | 5, 7 | [98.9063](1) | 11.49 | 2172 | 5030 | 1937 | Perrier y Segrè |
44 | Rutenio | Ru | 5, 8 | 101.07(2)(2) | 12.45 | 2310 | 3900 | 1844 | Klaus |
45 | Rodio | Rh | 5, 9 | 102.90550(2) | 12.41 | 1966 | 3727 | 1803 | Wollaston |
46 | Paladio | Pd |...