Noble gases Group 1 Group 18 0 Alkaline earth Periodic Table metals These are the 118 currently known and officially Atomic number Halogens H Hydrogen Group 2 Group 13 Group 14 Group 15 Group 16 Group 17 He Helium 1 1.008 named elements that make up the periodic table The atomic number is equal to the 2 4.003 number of protons in the nucleus. (IUPAC 2016). Each element is represented by an 0 0 0 0 0 0 image produced for the Visual Elements project. Relative atomic mass The periodic table arranges the elements, with their The ratio of the average mass of the Cu Copper diverse physical and chemical properties, in order of various isotopic forms of an element to 29 63.546 atomic number and fits them into a logical pattern. one-twelfth of the mass of a carbon-12 atom in its ground state. A number in Li Lithium Be Beryllium Eighteen columns divide the elements into groups B Boron C Carbon N Nitrogen O Oxygen F Fluorine Ne Neon 3 6.94 4 9.012 with closely related physical properties. Rows list brackets indicates that all isotopes of the 5 10.81 6 12.011 7 14.007 8 15.999 9 18.998 10 20.180 element are unstable, ie radioactive. elements in order of mass and are called series or 0 0 0 0 0 0 periods. Properties of elements change in a systematic way through a period. Transition metals Na Sodium Mg Magnesium Group 3 Group 4 Group 5 Group 6 Group 7 Group 8 Group 9 Group 10 Group 11 Group 12 Al Aluminium Si Silicon P Phosphorus S Sulfur Cl Chlorine Ar Argon 11 22.990 12 24.305 13 26.982 14 28.085 15 30.974 16 32.06 17 35.45 18 39.948 0 0 0 0 0 0 K Potassium Ca Calcium Sc Scandium Ti Titanium V Vanadium Cr Chromium Mn Manganese Fe Iron Co Cobalt Ni Nickel Cu Copper Zn Zinc Ga Gallium Ge Germanium As Arsenic Se Selenium Br Bromine Kr Krypton 19 39.098 20 40.078 21 44.956 22 47.867 23 50.942 24 51.996 25 54.938 26 55.845 27 58.933 28 58.693 29 63.546 30 65.38 31 69.723 32 72.630 33 74.922 34 78.971 35 79.904 36 83.798 0 0 0 0 0 0 Rb Rubidium Sr Strontium Y Yttrium Zr Zirconium Nb Niobium Mo Molybdenum Tc Technetium Ru Ruthenium Rh Rhodium Pd Palladium Ag Silver Cd Cadmium In Indium Sn Tin Sb Antimony Te Tellurium I Iodine Xe Xenon 37 85.468 38 87.62 39 88.906 40 91.224 41 92.906 42 95.95 43 [98] 44 101.07 45 102.906 46 106.42 47 107.868 48 112.414 49 114.818 50 118.710 51 121.760 52 127.60 53 126.904 54 131.293 0 0 0 0 0 0 0 Cs Caesium Ba Barium La Lanthanum Hf Hafnium Ta Tantalum W Tungsten Re Rhenium Os Osmium Ir Iridium Pt Platinum Au Gold Hg Mercury Tl Thallium Pb Lead Bi Bismuth Po Polonium At Astatine Rn Radon 55 132.905 56 137.327 57 138.905 72 178.49 73 180.948 74 183.84 75 186.207 76 190.23 77 192.217 78 195.084 79 196.967 80 200.592 81 204.38 82 207.2 83 208.980 84 [209] 85 [210] 86 [222] 0 0 0 0 0 0 0 Fr Francium Ra Radium Ac Actinium Rf Rutherfordium Db Dubnium Sg Seaborgium Bh Bohrium Hs Hassium Mt Meitnerium Ds Darmstadtium Rg Roentgenium Cn Copernicium Nh Nihonium Fl Flerovium Mc Moscovium Lv Livermorium Ts Tennessine Og Oganesson 87 [223] 88 [226] 89 [227] 104 [267] 105 [268] 106 [269] 107 [270] 108 [269] 109 [278] 110 [281] 111 [280] 112 [285] 113 [286] 114 [289] 115 [289] 116 [293] 117 [294] 118 [294] Alkali metals 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Lanthanides Images © Murray Robertson 1998–2017 Wall chart © Royal Society of Chemistry 2017 Ce Cerium Pr Praseodymium Nd Neodymium Pm Promethium Sm Samarium Eu Europium Gd Gadolinium Tb Terbium Dy Dysprosium Ho Holmium Er Erbium Tm Thulium Yb Ytterbium Lu Lutetium 58 140.116 59 140.908 60 144.242 61 [145] 62 150.36 63 151.964 64 157.25 65 158.925 66 162.500 67 164.930 68 167.259 69 168.934 70 173.045 71 174.967 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Actinides Th Thorium Pa Protactinium U Uranium Np Neptunium Pu Plutonium Am Americium Cm Curium Bk Berkelium Cf Californium Es Einsteinium Fm Fermium Md Mendelevium No Nobelium Lr Lawrencium 90 232.038 91 231.036 92 238.029 93 [237] 94 [244] 95 [243] 96 [247] 97 [247] 98 [251] 99 [252] 100 [257] 101 [258] 102 [259] 103 [262] Visual Elements is a project that aims to reflect the diversity of elements in a unique and innovative manner. For images and element data, visit www.rsc.org/periodic-table, or scan the QR code. www.rsc.org/periodic-table Noble gases Group 1 Periodic Table Group 18 These are the 118 currently known and officially Atomic number named elements that make up the periodic table The atomic number is equal to the H Alkaline earth He (IUPAC 2016). number of protons in the nucleus. Hydrogen metals Cu Halogens Helium Group 2 Copper Group 13 Group 14 Group 15 Group 16 Group 17 1 1.008 The periodic table arranges the elements, with their diverse Relative atomic mass 2 4.003 physical and chemical properties, in order of atomic number The ratio of the average mass of the 29 63.546 and fits them into a logical pattern. Eighteen columns divide various isotopic forms of an element to the elements into groups with closely related physical one-twelfth of the mass of a carbon-12 Li Be properties. Rows list elements in order of mass and are atom in its ground state. A number in B C N O F Ne Lithium Beryllium called series or periods. Properties of elements change in a brackets indicates that all isotopes of the Boron Carbon Nitrogen Oxygen Fluorine Neon systematic way through a period. 3 6.94 4 9.012 element are unstable, ie radioactive. 5 10.81 6 12.011 7 14.007 8 15.999 9 18.998 10 20.180 Na Mg Transition metals Al Si P S Cl Ar Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Group 3 Group 4 Group 5 Group 6 Group 7 Group 8 Group 9 Group 10 Group 11 Group 12 11 22.990 12 24.305 13 26.982 14 28.085 15 30.974 16 32.06 17 35.45 18 39.948 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton 19 39.098 20 40.078 21 44.956 22 47.867 23 50.942 24 51.996 25 54.938 26 55.845 27 58.933 28 58.693 29 63.546 30 65.38 31 69.723 32 72.630 33 74.922 34 78.971 35 79.904 36 83.798 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon 37 85.468 38 87.62 39 88.906 40 91.224 41 92.906 42 95.95 43 [98] 44 101.07 45 102.906 46 106.42 47 107.868 48 112.414 49 114.818 50 118.710 51 121.760 52 127.60 53 126.904 54 131.293 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Caesium Barium Lanthanum Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury Thallium Lead Bismuth Polonium Astatine Radon 55 132.905 56 137.327 57 138.905 72 178.49 73 180.948 74 183.84 75 186.207 76 190.23 77 192.217 78 195.084 79 196.967 80 200.592 81 204.38 82 207.2 83 208.980 84 [209] 85 [210] 86 [222] Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og Francium Radium Actinium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson 87 [223] 88 [226] 89 [227] 104 [267] 105 [268] 106 [269] 107 [270] 108 [269] 109 [278] 110 [281] 111 [280] 112 [285] 113 [286] 114 [289] 115 [289] 116 [293] 117 [294] 118 [294] Alkali metals Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Lanthanides Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium 58 140.116 59 140.908 60 144.242 61 [145] 62 150.36 63 151.964 64 157.25 65 158.925 66 162.500 67 164.930 68 167.259 69 168.934 70 173.045 71 174.967 Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Actinides Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Wall chart © Royal Society of Chemistry 2017 90 232.038 91 231.036 92 238.029 93 [237] 94 [244] 95 [243] 96 [247] 97 [247] 98 [251] 99 [252] 100 [257] 101 [258] 102 [259] 103 [262] For periodic table videos, data, history, and more, visit www.rsc.org/periodic-table, or scan the QR code.