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List of elements by symbol

Wikimedia list article

This is a list of elements by atomic number with symbol.

List of elements
Atomic

Number

Name Symbol Group Period

Number

1 Hydrogen H 1 1
2 Helium He 18 1
3 Lithium Li 1 2
4 Beryllium Be 2 2
5 Boron B 13 2
6 Carbon C 14 2
7 Nitrogen N 15 2
8 Oxygen O 16 2
9 Fluorine F 17 2
10 Neon Ne 18 2
11 Sodium Na 1 3
12 Magnesium Mg 2 3
13 Aluminium Al 13 3
14 Silicon Si 14 3
15 Phosphorus P 15 3
16 Sulfur S 16 3
17 Chlorine Cl 17 3
18 Argon Ar 18 3
19 Potassium K 1 4
20 Calcium Ca 2 4
21 Scandium Sc 3 4
22 Titanium Ti 4 4
23 Vanadium V 5 4
24 Chromium Cr 6 4
25 Manganese Mn 7 4
26 Iron Fe 8 4
27 Cobalt Co 9 4
28 Nickel Ni 10 4
29 Copper Cu 11 4
30 Zinc Zn 12 4
33
  1. Second list
Chemical sym Name Origin of symbol Atomic No. Atomic mass Density (near r.t.) Melting point Boiling point Year of discovery Discoverer
Ac Actinium 89 227.0278 u 10.07 g/cm3 1047 °C 3197 °C 1899 Debierne
Ag Silver Latin Argentum 47 107.8682 u 10.49 g/cm3 961.9 °C 2212 °C prehistoric unknown
Al Aluminium 13 26.981539 u 2.70 g/cm3 660.5 °C 2467 °C 1825 Oersted
Am Americium 95 243.0614 u 13.67 g/cm3 994 °C 2607 °C 1944 Seaborg
Ar Argon 18 39.948 u 1.66 g/l -189.4 °C -185.9 °C 1894 Ramsay and Rayleigh
As Arsenic 33 74.92159 u 5.72 g/cm3 613 °C 613 (Subl.) °C ca. 1250 Albertus Magnus
At Astatine 85 209.9871 u 7 g/cm3 302 °C 337 °C 1940 Corson and MacKenzie
Au Gold Latin Aurum 79 196.96654 u 19.32 g/cm3 1064.4 °C 2940 °C prehistoric unknown
B Boron 5 10.811 u 2.46 g/cm3 2300 °C 2550 °C 1808 Davy and Gay-Lussac
Ba Barium 56 137.327 u 3.65 g/cm3 725 °C 1640 °C 1808 Davy
Be Beryllium 4 9.012182 u 1.85 g/cm3 1278 °C 2970 °C 1797 Vauqueli
Bh Bohrium 107 262. 1976 Oganessian
Bi Bismuth 83 208.98037 u 9.80 g/cm3 271.4 °C 1560 °C 1540 Agricola
Bk Berkelium 97 247.0703 u 13.25 g/cm3 986 °C 2627 °C 1949 Seaborg
Br Bromine 35 79.904 u 3.14 g/cm3 -7.3 °C 58.8 °C 1826 Balard
C Carbon 6 12.011 u 3.51 g/cm3 3550 °C 4827 °C prehistoric unknown
Ca Calcium 20 40.078 u 1.54 g/cm3 839 °C 1487 °C 1808 Davy
Cd Cadmium 48 112.411 u 8.64 g/cm3 321 °C 765 °C 1817 Stromeyer and Hermann
Ce Cerium 58 140.115 u 6.77 g/cm3 798 °C 3257 °C 1803 von Hisinger and Berzelius
Cf Californium 98 251.0796 u 15.1 g/cm3 900 °C 1472 °C 1950 Seaborg
Cl Chlorine 17 35.4527 u 2.95 g/l -34.6 °C -101 °C 1774 Scheele
Cm Curium 96 247.0703 u 13.51 g/cm3 1340 °C 3110 °C 1944 Seaborg
Cn Copernicium 112 277 u 1996 Society for Heavy Ion Research
Co Cobalt 27 58.9332 u 8.89 g/cm3 1495 °C 2870 °C 1735 Brandt
Cr Chromium 24 51.9961 u 7.14 g/cm3 1857 °C 2482 °C 1797 Vauquelin
Cs Caesium 55 132.90543 u 1.90 g/cm3 28.4 °C 690 °C 1860 Kirchhoff and Bunsen
Cu Copper Latin Cuprum 29 63.546 u 8.92 g/cm3 1083.5 °C 2595 °C prehistoric unknown
Db Dubnium 105 262.1138 u 1967/70 Flerow oder Ghiorso
Ds Darmstadtium 110 269 u 1994 Society for Heavy Ion Research
Dy Dysprosium 66 162.5 u 8.56 g/cm3 1409 °C 2335 °C 1886 Lecoq de Boisbaudran
Er Erbium 68 167.26 u 9.05 g/cm3 1522 °C 2510 °C 1842 Mosander
Es Einsteinium 99 252.0829 u 860 °C 1952 Seaborg
Eu Europium 63 151.965 u 5.25 g/cm3 822 °C 1597 °C 1901 Demaçay
F Fluorine 9 18.9984032 u 1.58 g/l -219.6 °C -188.1 °C 1886 Moissan
Fe Iron Latin Ferrum 26 55.847 u 7.87 g/cm3 1535 °C 2750 °C prehistoric unknown
Fl Flerovium 114
Fm Fermium 100 257.0951 u 1952 Seaborg
Fr Francium 87 223.0197 u 27 °C 677 °C 1939 Perey
Ga Gallium 31 69.723 u 5.91 g/cm3 29.8 °C 2403 °C 1875 Lecoq de Boiskaudran
Gd Gadolinium 64 157.25 u 7.89 g/cm3 1311 °C 3233 °C 1880 de Marignac
Ge Germanium 32 72.61 u 5.32 g/cm3 937.4 °C 2830 °C 1886 Winkler
H Hydrogen 1 1.00794 u 0.084 g/l -259.1 °C -252.9 °C 1766 Cavendish
He Helium 2 4.002602 u 0.17 g/l -272.2 °C -268.9 °C 1895 Ramsay and Cleve
Hf Hafnium 72 178.49 u 13.31 g/cm3 2150 °C 5400 °C 1923 Coster and vón Hevesy
Hg Mercury Latin Hydragyrum - quicksilver 80 200.59 u 13.55 g/cm3 -38.9 °C 356.6 °C prehistoric unknown
Ho Holmium 67 164.93032 u 8.78 g/cm3 1470 °C 2720 °C 1878 Soret
Hs Hassium 108 265 u 1984 Society for Heavy Ion Research
I Iodine 53 126.90447 u 4.94 g/cm3 113.5 °C 184.4 °C 1811 Courtois
In Indium 49 114.82 u 7.31 g/cm3 156.2 °C 2080 °C 1863 Reich and Richter
Ir Iridium 77 192.22 u 22.65 g/cm3 2410 °C 4130 °C 1803 Tenant and andere
K Potassium German Kalium 19 39.0983 u 0.86 g/cm3 63.7 °C 774 °C 1807 Davy
Kr Krypton 36 83.8 u 3.48 g/l -156.6 °C -152.3 °C 1898 Ramsay and Travers
La Lanthanum 57 138.9055 u 6.16 g/cm3 920 °C 3454 °C 1839 Mosander
Li Lithium 3 6.941 u 0.53 g/cm3 180.5 °C 1317 °C 1817 Arfvedson
Lr Lawrencium 103 260.1053 u 1961 Ghiorso
Lu Lutetium 71 174.967 u 9.84 g/cm3 1656 °C 3315 °C 1907 Urbain
Lv Livermorium 116
Mc Moscovium 115
Md Mendelevium 101 258.0986 u 1955 Seaborg
Mg Magnesium 12 24.305 u 1.74 g/cm3 648.8 °C 1107 °C 1755 Black
Mn Manganese 25 54.93805 u 7.44 g/cm3 1244 °C 2097 °C 1774 Gahn
Mo Molybdenum 42 95.94 u 10.28 g/cm3 2617 °C 5560 °C 1778 Scheele
Mt Meitnerium 109 266 u 1982 Society for Heavy Ion Research
N Nitrogen 7 14.00674 u 1.17 g/l -209.9 °C -195.8 °C 1772 Rutherford
Na Sodium Latin Natrium 11 22.989768 u 0.97 g/cm3 97.8 °C 892 °C 1807 Davy
Nb Niobium 41 92.90638 u 8.58 g/cm3 2468 °C 4927 °C 1801 Hatchet
Nd Neodymium 60 144.24 u 7.00 g/cm3 1010 °C 3127 °C 1895 von Welsbach
Ne Neon 10 20.1797 u 0.84 g/l -248.7 °C -246.1 °C 1898 Ramsay and Travers
Nh Nihonium 113
Ni Nickel 28 58.69 u 8.91 g/cm3 1453 °C 2732 °C 1751 Cronstedt
No Nobelium 102 259.1009 u 1958 Seaborg
Np Neptunium 93 237.0482 u 20.48 g/cm3 640 °C 3902 °C 1940 McMillan and Abelson
O Oxygen 8 15.9994 u 1.33 g/l -218.4 °C -182.9 °C 1774 Priestley and Scheele
Og Oganesson 118
Os Osmium 76 190.2 u 22.61 g/cm3 3045 °C 5027 °C 1803 Tenant
P Phosphorus 15 30.973762 u 1.82 g/cm3 44 (P4) °C 280 (P4) °C 1669 Brandt
Pa Protactinium 91 231.0359 u 15.37 g/cm3 1554 °C 4030 °C 1917 Soddy, Cranston and Hahn
Pb Lead Latin Plumbum 82 207.2 u 11.34 g/cm3 327.5 °C 1740 °C prehistoric unknown
Pd Palladium 46 106.42 u 12.02 g/cm3 1552 °C 3140 °C 1803 Wollaston
Pm Promethium 61 146.9151 u 7.22 g/cm3 1080 °C 2730 °C 1945 Marinsky and Glendenin
Po Polonium 84 208.9824 u 9.20 g/cm3 254 °C 962 °C 1898 Marie and Pierre Curie
Pr Praseodymium 59 140.90765 u 6.48 g/cm3 931 °C 3212 °C 1895 von Welsbach
Pt Platinum 78 195.08 u 21.45 g/cm3 1772 °C 3827 °C 1557 Scaliger
Pu Plutonium 94 244.0642 u 19.74 g/cm3 641 °C 3327 °C 1940 Seaborg
Ra Radium 88 226.0254 u 5.50 g/cm3 700 °C 1140 °C 1898 Marie and Pierre Curie
Rb Rubidium 37 85.4678 u 1.53 g/cm3 39 °C 688 °C 1861 Bunsen and Kirchhoff
Re Rhenium 75 186.207 u 21.03 g/cm3 3180 °C 5627 °C 1925 Noddack, Tacke and Berg
Rf Rutherfordium 104 261.1087 u 1964/69 Flerow oder Ghiorso
Rg Roentgenium 111 272 u 1994 Society for Heavy Ion Research
Rh Rhodium 45 102.9055 u 12.41 g/cm3 1966 °C 3727 °C 1803 Wollaston
Rn Radon 86 222.0176 u 9.23 g/l -71 °C -61.8 °C 1900 Dorn
Ru Ruthenium 44 101.07 u 12.45 g/cm3 2310 °C 3900 °C 1844 Claus
S Sulfur 16 32.066 u 2.06 g/cm3 113 °C 444.7 °C prehistoric unknown
Sb Antimony Latin Stibium 51 121.75 u 6.69 g/cm3 630.7 °C 1750 °C prehistoric unknown
Sc Scandium 21 44.95591 u 2.99 g/cm3 1539 °C 2832 °C 1879 Nilson
Se Selenium 34 78.96 u 4.82 g/cm3 217 °C 685 °C 1817 Berzelius
Sg Seaborgium 106 263.1182 u 1974 Oganessian
Si Silicon 14 28.0855 u 2.33 g/cm3 1410 °C 2355 °C 1824 Berzelius
Sm Samarium 62 150.36 u 7.54 g/cm3 1072 °C 1778 °C 1879 Lecoq de Boisbaudran
Sn Tin Latin Stannum 50 118.71 u 7.29 g/cm3 232 °C 2270 °C prehistoric unknown
Sr Strontium 38 87.62 u 2.63 g/cm3 769 °C 1384 °C 1790 Crawford
Ta Tantalum 73 180.9479 u 16.68 g/cm3 2996 °C 5425 °C 1802 Ekeberg
Tb Terbium 65 158.92534 u 8.25 g/cm3 1360 °C 3041 °C 1843 Mosander
Tc Technetium 43 98.9063 u 11.49 g/cm3 2172 °C 5030 °C 1937 Perrier and Segrè
Te Tellurium 52 127.6 u 6.25 g/cm3 449.6 °C 990 °C 1782 von Reichenstein
Th Thorium 90 232.0381 u 11.72 g/cm3 1750 °C 4787 °C 1829 Berzelius
Ti Titanium 22 47.88 u 4.51 g/cm3 1660 °C 3260 °C 1791 Gregor and Klaproth
Tl Thallium 81 204.3833 u 11.85 g/cm3 303.6 °C 1457 °C 1861 Crookes
Tm Thulium 69 168.93421 u 9.32 g/cm3 1545 °C 1727 °C 1879 Cleve
Ts Tennessine 117
U Uranium 92 238.0289 u 18.97 g/cm3 1132.4 °C 3818 °C 1789 Klaproth
V Vanadium 23 50.9415 u 6.09 g/cm3 1890 °C 3380 °C 1801 del Rio
W Tungsten German Wolfram 74 183.85 u 19.26 g/cm3 3407 °C 5927 °C 1783 Gebrüder de Elhuyar
Xe Xenon 54 131.29 u 4.49 g/l -111.9 °C -107 °C 1898 Ramsay and Travers
Y Yttrium 39 88.90585 u 4.47 g/cm3 1523 °C 3337 °C 1794 Gadolin
Yb Ytterbium 70 173.04 u 6.97 g/cm3 824 °C 1193 °C 1878 de Marignac
Zn Zinc 30 65.39 u 7.14 g/cm3 419.6 °C 907 °C prehistoric unknown
Zr Zirconium 40 91.224 u 6.51 g/cm3 1852 °C 4377 °C 1789 Klaproth
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