PERIODIC TABLE OF ELEMENTS 1 IA 1 H 18 VIIIA +1 -1 2 IIA Hydrogen 1.008 3 Li +1 Lithium 6.941 11 4 +2 Be Sodium 22.990 +1 Potassium 39.098 37 +1 Rb Rubidium 85.468 55 +1 Cs Caesium 132.905 87 SYMBOL NAME 82 +2 +4 OXIDATION STATE Pb Lead 207.2 12 +1 Fr Francium 223.020 Magnesium 24.305 20 +2 Ca Calcium 40.078 38 +2 Sr Strontium 87.62 56 ATOMIC MASS 3 IIIB 21 4 IVB +3 Sc Scandium 44.956 39 Y +3 Yttrium 88.906 22 *Lanthanides: 57 – 71 5 VB +2 +3 +4 Ti Titanium 47.867 40 +3 Zr Zirconium 91.224 72 +4 Hf Hafnium 178.49 104 +2 Ra +3 13 Barium 137.328 88 B 14 IVA Boron 10.811 +2 Ba 13 IIIA 5 +2 Na Mg K ATOMIC NUMBER Beryllium 9.012 +1 19 METAL TRANSITION METAL INNER TRANSITION METAL SEMIMETAL NONMETAL 2 **Actinides: 89 – 103 Radium 226.025 Rf Rutherfordium (261) 57 *LANTHANIDES +3 La Lanthanium 138.905 89 **ACTINIDES +4 +3 Ac Actinium 227.028 23 V 6 VIB +2 +3 +4 +5 Vanadium 50.942 41 +3 +5 7 VIIB 24 +2 +3 +6 25 +2 +3 +4 +7 Cr Mn Chromium 51.996 Manganese 54.938 42 43 +3 +6 Nb Mo Tc Niobium 92.906 73 +5 Ta Tantalum 180.948 105 +5 +4 +6 +7 8 VIIIB 9 VIIIB 26 27 +2 +3 Fe Iron 55.845 44 +3 Ruthenium 101.07 74 75 76 W Tungsten 183.84 106 +6 +3 +4 Re Os Rhenium 186.207 107 +4 +6 +7 Osmium 190.23 108 +3 +4 Db Sg Bh Hs Dubnium (262) 58 +3 +4 Ce Cerium 140.116 90 +4 Th Thorium 232.038 Seaborgium (266) 59 +3 Pr Bohrium (264) 60 +3 Hassium (269) 61 +3 Neodymium 144.242 Promethium 144.913 91 92 93 Pa Protactinium 231.036 45 +3 Ni Nickel 58.693 46 Rhodium 102.906 77 Ir +3 +4 Iridium 192.22 +2 +4 109 +2 +4 Pt Platinum 195.085 +3 +4 Mt 110 29 +2 +4 Al 12 IIB +1 +2 30 +2 47 +1 Ag Silver 107.868 79 +1 +3 Zinc 65.38 48 +2 Cd Cadmium 112.411 80 +1 +2 Au Hg Gold 196.967 111 +1 +3 Mercury 200.592 112 +1 +2 U +3 +4 +5 +6 Uranium 238.029 +3 +4 +5 +6 Np Neptunium 237.048 31 +3 +3 49 +3 In Indium 114.818 81 +1 +3 Tl Thallium 204.383 +1 +3 113 Darmstadtium Roentgenium (269) (272) Copernicium (277) (No atomic mass) 62 63 65 66 64 +3 +3 Samarium 150.36 94 +3 +4 +5 +6 Europium 151.964 95 +3 +4 +5 +6 Gadolinium 157.25 96 +3 Terbium 158.925 97 +3 +4 Pu Am Cm Bk Plutonium 244.064 Americium 243.061 Curium 247.070 Berkelium 247.070 Si Silicon 28.086 32 Nihonium +3 50 -4 +2 +4 +2 +4 98 Cf +3 Californium 251.080 -2 8 -3 N -1 +1 +2 Nitrogen +3 14.007 +4 15 P -3 +3 +5 33 As -3 +3 +5 Arsenic 74.922 51 Tin 118.711 82 +2 +4 -3 +3 +5 Pb Lead 207.2 114 Fl +2 +4 Flerovium (289) 67 +3 Holmium 164.930 99 +3 Antimony 121.760 83 Bi +3 +5 Bismuth 208.980 115 17 VIIA -2 O Oxygen 15.999 16 S -2 +4 +6 Sulfur 32.066 34 -2 +2 +6 Se +3 +5 Mc Moscovium 52 Te -2 +4 +6 Tellurium 127.6 84 +2 +4 Po Polonium (208.982) 116 9 +2 +4 Lv -1 F 17 10 Ne 18 -1 +1 +5 36 Cl 35 Br Bromine 79.904 53 Iodine 126.904 85 At 0 Ar Argon 39.948 0 +2 Kr Krypton 84.798 -1 +1 +5 +7 I 0 Neon 20.180 -1 +1 +3 +5 +7 Chlorine 35.453 0 +2 +4 +6 54 Xe Xenon 131.294 -1 Astatine 209.987 86 Rn 118 Ts 0 Radon 222.018 117 Og 0 Tennessine Oganesson (No atomic mass) Livermorium (298) (No atomic mass) (No atomic mass) 68 69 70 71 +3 +3 +2 +3 Er Tm Yb Erbium 167.259 100 +3 Thulium 168.934 101 +3 Ytterbium 173.055 102 +2 Es Fm Md No Einsteinium (254) He Helium 4.003 Fluorine 18.998 Selenium 78.972 Sn Sb Dy Ho Dysprosium 162.500 7 16 VIA Phosphorus 30.974 Germanium 72.631 Gallium 69.723 Ds Rg Cn Nh +2 +3 14 -4 +2 +4 Ga Ge Meitnerium (268) +2 +3 C -4 +2 +4 Carbon 12.011 Aluminium 26.982 Cu Zn Copper 63.546 Palladium 106.42 78 11 IB Nd Pm Sm Eu Gd Tb Praseodymium 140.908 +4 +5 Co 28 +2 +3 Ru Rh Pd Technetium 98.907 +4 +6 +7 +2 +3 Cobalt 58.933 Molybdenum 95.95 +6 10 VIIIB 6 15 VA 0 Fermium 257.095 Mendelevium 258.1 Nobelium 259.101 +3 Lu Lutetium 174.967 103 +3 Lr Lawrencium (262)