Periodic Table

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15Pnictogens
16Chalcogens
17Halogens
18

1
2
3
4
5
6
7

Symbol Name Atomic number Atomic mass

Alkali metals

Alkali earth metals

Lanthanoids

Actinoids

Transition metals

Post-transition metals

Metalloids

Other
nonmetals

Noble gases

Unknown

Gas

Liquid

Solid

Un-known

273 K

0ºC

31.4ºF

H Hydrogen 1 1.008

Li Lithium 3 6.940

Na Sodium 11 22.989

K Potassium 19 39.098

Rb Rubidium 37 85.468

Cs Caesium 55 132.905

Fr Francium 87 (223.000)

Be Beryllium 4 9.012

Mg Magne-sium 12 24.305

Ca Calcium 20 40.078

Sr Stronium 38 87.620

Ba Barium 56 137.327

Ra Radium 88 (226.000)

Sc Scandium 21 44.956

Y Yttrium 39 88.906

57-71 Lantha-noids

89-103 Actinoids

Ti Titanium 22 47.867

Zr Zirconium 40 91.224

Hf Hafnium 72 178.490

Rf Ruther-fordium 104 (267.000)

V Vanadium 23 50.942

Nb Niobium 41 92.906

Ta Tantalum 73 180.947

Db Dubnium 105 (268.000)

Cr Chro-mium 24 51.996

Mo Molyb-denum 42 95.950

W Tungsten 74 183.840

Sg Seabor-gium 106 (268.000)

Mn Manga-nese 25 54.938

Tc Techne-tium 43 (98.000)

Re Rhenium 75 186.207

Bh Bohrium 107 (270.000)

Fe Iron 26 55.845

Ru Ruthe-nium 44 101.070

Os Osmium 76 190.230

Hs Hassium 108 (277.000)

Co Cobalt 27 58.993

Rh Rhodium 45 102.905

Ir Iridium 77 192.217

Mt Meitne-rium 109 (278.000)

Ni Nickel 28 58.963

Pd Palladium 46 106.420

Pt Platinum 78 195.084

Ds Darmstad-tium 110 (281.000)

Cu Copper 29 63.546

Ag Silver 47 107.868

Au Gold 79 107.868

Rg Roentge-nium 111 (282.000)

Zn Zinc 30 65.380

Cd Cadmium 48 112.414

Hg Mercury 80 200.592

Cn Coperni-cium 112 (285.000)

B Boron 5 10.810

Al Alumi-nium 13 26.982

Ga Galium 31 69.723

In Indium 49 114.818

Th Thalium 81 204.380

Nh Nihonium 113 (286.000)

C Carbon 6 12.001

Si Silicon 14 28.085

Ge Germa-nium 32 72.630

Sn Tin 50 118.710

Pb Lead 82 207.200

Fl Flerovium 114 (289.000)

N Nitrogen 7 14.007

P Phospho-rus 15 30.974

As Arsenic 33 74.922

Sb Antimony 51 121.760

Bi Bismuth 83 208.980

Mc Mosco-vium 115 (290.000)

O Oxygen 8 15.999

S Sulfur 16 32.060

Se Selenium 34 78.971

Te Tellurium 52 127.600

Po Polonium 84 (209.000)

Lv Livemo-rium 116 (293.000)

F Fluorine 9 18.998

Cl Chlorine 17 35.450

Br Bromine 35 79.904

I Iodine 53 126.904

At Astatine 85 (210.000)

Ts Tennes-sine 117 (294.000)

He Helium 2 4.002

Ne Neon 10 20.180

Ar Argon 18 39.948

Kr Krypton 36 83.798

Xe Xenon 54 131.293

Rn Radon 86 (222.000)

Og Oganes-son 118 (294.000)

La Lantha-num 57 138.905

Ce Cerium 58 140.116

Pr Praseod-ymium 59 140.907

Nd Neod-ymium 60 144.242

Pm Prome-thium 61 (145,000)

Sm Samarium 62 150.360

Eu Europium 63 151.964

Gd Gadoli-nium 64 157.250

Tb Terbium 65 157.250

Dy Dyspro-sium 66 162.500

Ho Holmium 67 164.930

Er Erbium 68 167.259

Tm Thulium 69 168.934

Yb Ytterbium 70 173.045

Lu Lutetium 71 174.967

Ac Actinium 89 (227.000)

Th Thorium 90 232.038

Pa Protacti-nium 91 231.035

U Uranium 92 238.028

Np Neptu-nium 93 (237.000)

Pu Pluto-nium 94 (244.000)

Am Ameri-cium 95 (243.000)

Cm Curium 96 (247.000)

Bk Berkelium 97 (247.000)

Cf Califor-nium 98 (251.000)

Es Einstei-nium 99 (252.000)

Fm Fermium 100 (257.000)

Md Mendele-vium 101 (258.000)

No Nobelium 102 (259.000)

Lr Lawren-cium 103 (266.000)