Chemical Symbol Lookup Table

Chemical Symbol Lookup Table

Chemical Symbol Lookup Table

(See our printable Periodic Table in the section below.)

Chemical Symbol Element Atomic Mass Atomic Number Electron Configuration
Ac Actinium (227) 89 [Rn] 7s2 6d1
Ag Silver 107.868 47 [Kr] 5s1 4d10
Al Aluminum 26.982 13 [Ne] 3s2 3p1
Am Americium (243) 95 [Rn] 7s2 5f7
Ar Argon 39.948 18 [Ne] 3s2 3p6
As Arsenic 74.922 33 [Ar] 4s2 3d10 4p3
At Astatine (210) 85 [Xe] 6s2 4f14 5d10 6p5
Au Gold 196.9665 79 [Xe] 6s1 4f14 5d10
B Boron 10.81 5 [He] 2s2 2p1
Ba Barium 137.34 56 [Xe] 6s2
Be Beryllium 9.012 4 [He] 2s2
Bh Bohrium (262) 107 [Rn] 7s2 5f14 6d5
Bi Bismuth 208.98 83 [Xe] 6s2 4f14 5d10 6p3
Bk Berkelium (247) 97 [Rn] 7s2 5f9
Br Bromine 79.904 35 [Ar] 4s2 3d10 4p5
C Carbon 12.011 6 [He] 2s2 2p2
Ca Calcium 40.08 20 [Ar] 4s2
Cd Cadmium 112.4 48 [Kr] 5s2 4d10
Ce Cerium 140.12 58 [Xe] 6s2 4f1 5d1
Cf Californium (251) 98 [Rn] 7s2 5f10
Cl Chlorine 35.453 17 [Ne] 3s2 3p5
Cm Curium (247) 96 [Rn] 7s2 5f7 6d1
Co Cobalt 58.9332 27 [Ar]  4s2 3d7 
Cr Chromium 51.996 24 [Ar] 4s1 3d5
Cs Cesium 132.9054 55 [Xe] 6s1
Cu Copper 63.546 29 [Ar] 4s1 3d10 
Db Dubnium (262) 105 [Rn] 7s2 5f14 6d3
Ds Darmstadium (281) 110 [Rn] 7s1 5f14 6d9
Dy Dysprosium 162.5 66 [Xe] 6s2 4f10
Er Erbium 167.26 68 [Xe] 6s2 4f12
Es Einsteinium (252) 99 [Rn] 7s2 5f11
Eu Europium 151.96 63 [Xe] 6s2 4f7
F Fluorine 18.9984 9 [He] 2s2 2p5
Fe Iron 55.847 26 [Ar] 4s2 3d6
Fm Fermium (257) 100 [Rn] 7s2 5f12
Fr Francium (223) 87 [Rn] 7s1
Ga Gallium 69.72 31 [Ar] 4s2 3d10 4p1
Gd Gadolinium 157.25 64 [Xe] 6s2 4f7 5d1
Ge Germanium 72.59 32 [Ar] 4s2 3d10 4p2
H Hydrogen 1.0079 1 1s1
He Helium 4.0026 2 1s2
Hf Hafnium 178.49 72 [Xe] 6s2 4f14 5d2
Hg Mercury 200.59 80 [Xe] 6s2 4f14 5d10
Ho Holmium 164.9304 67 [Xe] 6s2 4f11
Hs Hassium (265) 108 [Rn] 7s2 5f14 6d6
I Iodine 126.9045 53 [Kr] 5s2 4d10 5p5
In Indium 114.82 49 [Kr] 5s2 4d10 5p1
Ir Iridium 192.22 77 [Xe] 6s2 4f14 5d7
K Potassium 39.098 19 [Ar] 4s1
Kr Krypton 83.8 36 [Ar] 4s2 3d10 4p6
La Lanthanum 138.9055 57 [Xe] 6s2  5d1
Li Lithium 6.941 3 [He] 2s1
Lr Lawrencium (260) 103 [Rn] 7s2 5f14 6d1
Lu Lutetium 174.97 71 [Xe] 6s2 4f14 5d1
Md Mendlevium (258) 101 [Rn] 7s2 5f13
Mg Magnesium 24.305 12 [Ne] 3s2
Mn Manganese 54.938 25 [Ar] 4s2 3d5
Mo Molybdenum 95.94 42 [Kr] 5s1 4d5
Mt Meitenerium (266) 109 [Rn] 7s2 5f14 6d7
N Nitrogen 14.0067 7 [He] 2s2 2p3
Na Sodium 22.98977 11 [Ne] 3s1
Nb Niobium 92.9064 41 [Kr] 5s1 4d4
Nd Neodymium 144.24 60 [Xe] 6s2 4f4
Ne Neon 20.179 10 [He] 2s2 2p6
Ni Nickel 58.71 28 [Ar] 4s2 3d8
No Nobelium (259) 102 [Rn] 7s2 5f14
Np Neptunium (237) 93 [Rn] 7s2 5f4 6d1
O Oxygen 15.9994 8 [He] 2s2 2p4
Os Osmium 190.2 76 [Xe] 6s2 4f14 5d6
P Phosphorus 30.97376 15 [Ne] 3s2 3p3
Pa Protactinium 231.0359 91 [Rn] 7s2 5f2 6d1
Pb Lead 207.2 82 [Xe] 6s2 4f14 5d10 6p2
Pd Palladium 106.4 46 [Kr] 4d10
Pm Promethium (145) 61 [Xe] 6s2 4f5
Po Polonium (209) 84 [Xe] 6s2 4f14 5d10 6p4
Pr Praseodymium 140.9077 59 [Xe] 6s2 4f3
Pt Platinum 195.09 78 [Xe] 6s1 4f14 5d9
Pu Plutonium (244) 94 [Rn] 7s2 5f6
Ra Radium 226.0254 88 [Rn] 7s2
Rb Rubidium 85.4678 37 [Kr] 5s1
Re Rhenium 186.2 75 [Xe] 6s2 4f14 5d5
Rf Rutherfordium (261) 104 [Rn] 7s2 5f14 6d2
Rg Roentgenium (280) 111 [Rn] 7s1 5f14 6d10
Rh Rhodium 102.9055 45 [Kr] 5s1 4d8
Rn Radon (222) 86 [Xe] 6s2 4f14 5d10 6p6
Ru Ruthenium 101.07 44 [Kr] 5s1 4d7
S Sulfur 32.06 16 [Ne] 3s2 3p4
Sb Antimony 121.75 51 [Kr] 5s2 4d10 5p3
Sc Scandium 44.9559 21 [Ar] 4s2 3d1
Se Selenium 78.96 34 [Ar] 4s2 3d10 4p4
Sg Seaborgium (263) 106 [Rn] 7s2 5f14 6d4
Si Silicon 28.086 14 [Ne] 3s2 3p2
Sm Samarium 150.4 62 [Xe] 6s2 4f6
Sn Tin 118.69 50 [Kr] 5s2 4d10 5p2
Sr Strontium 87.62 38 [Kr] 5s2
Ta Tantalum 180.9479 73 [Xe] 6s2 4f14 5d3
Tb Terbium 158.9254 65 [Xe] 6s2 4f9
Tc Technetium 98 43 [Kr] 5s2 4d5
Te Tellurium 127.6 52 [Kr] 5s2 4d10 5p4
Th Thorium 232.0381 90 [Rn] 7s2 6d2
Ti Titanium 47.9 22 [Ar] 4s2 3d2
Tl Thallium 204.37 81 [Xe] 6s2 4f14 5d10 6p1
Tm Thulium 168.9342 69 [Xe] 6s2 4f13
U Uranium 238.029 92 [Rn] 7s2 5f3 6d1
Uub Ununbium (277) 112 [Rn] 7s2 5f14 6d0
Uup Ununpentium (288) 115 [Rn] 7s2 5f14 6d10 7p3
Uuq Ununquadium (289) 114 [Rn] 7s2 5f14 6d10 7p2
Uut Ununtrium (284) 113 [Rn] 7s2 5f14 6d10 7p1
V Vanadium 50.9414 23 [Ar] 4s2 3d3
W Tungsten 183.85 74 [Xe] 6s2 4f14 5d4
Xe Xenon 131.3 54 [Kr] 5s2 4d10 5p6
Y Yttrium 88.9059 39 [Kr] 5s2 4d1
Yb Ytterbium 173.04 70 [Xe] 6s2 4f14
Zn Zinc 65.38 30 [Ar] 4s2 3d10
Zr Zirconium 91.22 40 [Kr] 5s2 4d2

Periodic Table

This lookup displays all the elements in the periodic table, sorted by symbol. Also included are the element name, atomic mass, atomic number, and electron configuration. This is a must for anyone learning the periodic table.