10 THE PERIODIC TABLE OF COMMON IONIC CHARGES HYDROGEN KEY HELIUM H+ HYDRIDE Name of ion He – H LITHIUM Elements for which no ion is shown are LITHIUM BERYLLIUM BORON CARBON NITRIDE OXIDE FLUORIDE NEON + Ion formula those which do not commonly form + 2+ Li ions, or superheavy elements whose 3– 2– – Li Be chemistry is currently unknown. B C N O F Ne When there is more than one common ion, SODIUM MAGNESIUM ALUMINIUM SILICON PHOSPHIDE SULFIDE CHLORIDE ARGON the more common ion is shown on top. Na+ Mg2+ Al3+ Si P3– S2– Cl– Ar POTASSIUM CALCIUM SCANDIUM TITANIUM(IV) VANADIUM(III) CHROMIUM(III) MANGANESE(II) IRON(III) COBALT(II) NICKEL(II) COPPER(II) ZINC GALLIUM GERMANIUM ARSENIDE SELENIDE BROMIDE KRYPTON 4+ 3+ 3+ 2+ 3+ 2+ 2+ 2+ + 2+ 3+ Ti V Cr Mn Fe Co Ni Cu 2+ 3+ 4+ 3– 2– – K Ca Sc TITANIUM(III) VANADIUM(V) CHROMIUM(II) MANGANESE(IV) IRON(II) COBALT(III) NICKEL(III) COPPER(I) Zn Ga Ge As Se Br Kr Ti3+ V5+ Cr2+ Mn4+ Fe2+ Co3+ Ni3+ Cu+ RUBIDIUM STRONTIUM YTTRIUM ZIRCONIUM NIOBIUM(V) MOLYBDENUM TECHNETIUM RUTHENIUM(III) RHODIUM PALLADIUM(II) SILVER CADMIUM INDIUM TIN(IV) ANTIMONY(III) TELLURIDE IODIDE XENON 5+ 3+ 2+ 4+ 3+ + 2+ 3+ 4+ Nb 6+ 7+ Ru 3+ Pd + 2+ 3+ Sn Sb 2– – Rb Sr Y Zr NIOBIUM(III) Mo Tc RUTHENIUM(IV) Rh PALLADIUM(IV) Ag Cd In TIN(II) ANTIMONY(V) Te I Xe Nb3+ Ru4+ Pd4+ Sn2+ Sb5+ CAESIUM BARIUM HAFNIUM TANTALUM TUNGSTEN RHENIUM OSMIUM IRIDIUM PLATINUM(IV) GOLD(III) MERCURY(II) THALLIUM(I) LEAD(II) BISMUTH(III) POLONIUM(II) ASTATIDE RADON 4+ 3+ Hg2+ + 2+ 3+ 2+ + 2+ 4+ 5+ 6+ 7+ 4+ 4+ Pt Au Tl Pb Bi Po – Cs Ba La–Lu Hf Ta W Re Os Ir PLATINUM(II) GOLD(I) MERCURY(I) THALLIUM(III) LEAD(IV) BISMUTH(V) POLONIUM(IV) At Rn Pt2+ Au+ Hg+ Tl 3+ Pb4+ Bi5+ Po4+ FRANCIUM RADIUM RUTHERFORDIUM DUBNIUM SEABORGIUM BOHRIUM HASSIUM MEITNERIUM DARMSTADTIUM ROENTGENIUM COPERNICIUM NIHONIUM FLEROVIUM MOSCOVIUM LIVERMORIUM TENNESSINE OGANESSON Fr + Ra2+ Ac–Lr Rf 4+ Db5+ Sg6+ Bh7+ Hs4+ Mt Ds Rg Cn Nh Fl Mc Lv Ts Og LANTHANUM CERIUM PRASEODYMIUM NEODYMIUM PROMETHIUM SAMARIUM(III) EUROPIUM(III) GADOLINIUM TERBIUM DYSPROSIUM HOLMIUM ERBIUM THULIUM YTTERBIUM(III) LUTETIUM 3+ 3+ 3+ 3+ 3+ 3+ 3+ 3+ Sm Eu 3+ 3+ 3+ 3+ 3+ 3+ Yb 3+ La Ce Pr Nd Pm SAMARIUM(II) EUROPIUM(II) Gd Tb Dy Ho Er Tm YTTERBIUM(II) Lu Sm2+ Eu2+ Yb2+ ACTINIUM THORIUM PROTACTINIUM(V) URANIUM(VI) NEPTUNIUM PLUTONIUM(IV) AMERICIUM(III) CURIUM BERKELIUM(III) CALIFORNIUM EINSTEINIUM FERMIUM MENDELEVIUM(II) NOBELIUM(II) LAWRENCIUM 5+ 6+ 4+ 3+ 3+ 2+ 2+ 3+ 4+ Pa U 5+ Pu Am 3+ Bk 3+ 3+ 3+ Md No 3+ Ac Th PROTACTINIUM(IV) URANIUM(IV) Np PLUTONIUM(VI) AMERICIUM(IV) Cm BERKELIUM(IV) Cf Es Fm MENDELEVIUM(III) NOBELIUM(III) Lr Pa4+ U4+ Pu6+ Am4+ Bk4+ Md3+ No3+ © Andy Brunning/Compound Interest 2019 | www.compoundchem.com | @compoundchem Ci Shared under a Creative Commons 4.0 Attribution-NoDerivatives-NonCommercial licence. BY NC ND #IYPT2019.