1H2He3Li4Be5B6C7N8O9F10Ne11Na12Mg13Al14Si15P16S17Cl18Ar19K20Ca21Sc22Ti23V24Cr25Mn26Fe27Co28Ni29Cu30Zn31Ga32Ge33As34Se35Br36Kr37Rb38Sr39Y40Zr41Nb42Mo43Tc44Ru45Rh46Pd47Ag48Cd49In50Sn51Sb52Te53I54Xe55Cs56BaLa*Lanthanides57La58Ce59Pr60Nd61Pm62Sm63Eu64Gd65Tb66Dy67Ho68Er69Tm70Yb71Lu72Hf73Ta74W75Re76Os77Ir78Pt79Au80Hg81Tl82Pb83Bi84Po85At86Rn87Fr88RaAc*Actinides89Ac90Th91Pa92U93Np94Pu95Am96Cm97Bk98Cf99Es100Fm101Md102No103Lr104Rf105Db106Sg107Bh108Hs109Mt110Ds111Rg112Cn113Nh114Fl115Mc116Lv117Ts118Og
Standard potential
The electrode potential is the voltage that an electrode of an electrochemical cell delivers. If the normal hydrogen electrode is used as a reference, this voltage is referred to as standard potential.
| Element | Standard potential | ||
|---|---|---|---|
| 1H | Hydrogen | 0 V | |
| 3Li | Lithium | -3.04 V | |
| 4Be | Beryllium | -1.97 V (Be2+ + 2e- → Be) | |
| 8O | Oxygen | 1.23 V | |
| 9F | Fluorine | 2.87 V (F + e- → F-) | |
| 11Na | Sodium | -2.713 V (Na+ + e- → Na) | |
| 12Mg | Magnesium | -2.372 V (Mg2+ + 2e- → Mg) | |
| 13Al | Aluminum | -1.676 V (Al3+ + 3e- → Al) | |
| 16S | Sulfur | -0.48 V (S + 2e- → S2-) | |
| 17Cl | Chlorine | 1.36 V (Cl + e- → Cl-) | |
| 19K | Potassium | -2.931 V (K+ + e- → K) | |
| 20Ca | Calcium | -2.84 V (Ca2+ + 2e- → Ca) | |
| 21Sc | Scandium | -2.03 V (Sc3+ + 3e- → Sc) | |
| 22Ti | Titanium | -0.86 V (TiO2+ + 2H+ + 4e- → Ti + H2O) | |
| 24Cr | Chromium | -0.744 V (Cr3+ + 3e- → Cr) | |
| 25Mn | Manganese | -1.18 V (Mn2+ + 2e- → Mn) | |
| 26Fe | Iron | -0.44 V (Fe2+ + 2e- → Fe) | |
| 27Co | Cobalt | -0.28 V (Co2+ + 2e- → Co) | |
| 28Ni | Nickel | -0.257 V (Ni2+ + 2e- → Ni) | |
| 29Cu | Copper | 0.34 V (Cu2+ + 2e- → Cu) | |
| 30Zn | Zinc | -0.7926 V (Zn2+ + 2e- → Zn) | |
| 31Ga | Gallium | -0.53 V (Ga3+ + 3e- → Ga) | |
| 32Ge | Germanium | 0.247 V (Ge2+ + 2e- → Ge) | |
| 33As | Arsenic | 0.24 V (½As2O3 + 3H+ + 3e- → As + 1½H2O) | |
| 34Se | Selenium | -0.67 V (Se + 2e- → Se2-) | |
| 35Br | Bromine | 1.066 V (Br + e- → Br-) | |
| 37Rb | Rubidium | -2.924 V (Rb+ + e- → Rb) | |
| 38Sr | Strontium | -2.89 V (Sr2+ + 2e- → Sr) | |
| 39Y | Yttrium | -2.37 V (Y3+ + 3e- → Y) | |
| 40Zr | Zirconium | -1.553 V (ZrO2 + 4H+ + 4e- → Zr + 2H2O) | |
| 41Nb | Niobium | -1.1 V (Nb2+ + 2e- → Nb) | |
| 42Mo | Molybdenum | -0.152 V (MoO2 + 4e- + 4H+ → Mo + 2H2O) | |
| 43Tc | Technetium | 0.272 V (TcO2 + 4e- + 4H+ → Tc + 2H2O) | |
| 45Rh | Rhodium | 0.76 V (Rh3+ + 3e- → Rh) | |
| 46Pd | Palladium | 0.915 V (Pd2+ + 2e- → Pd) | |
| 47Ag | Silver | 0.7991 V (Ag+ + e- → Ag) | |
| 48Cd | Cadmium | -0.403 V (Cd2+ + 2e- → Cd) | |
| 49In | Indium | -0.343 V (In3+ + 3e- → In) | |
| 50Sn | Tin | -0.137 V (Sn2+ + 2e- → Sn) | |
| 51Sb | Antimony | 0.15 V (Sb3+ + 3e- → Sb) | |
| 52Te | Tellurium | -1.143 V (Te + 2e- → Te2-) | |
| 53I | Iodine | 0.536 V (I2 + 2e- → 2I-) | |
| 55Cs | Caesium | -2.923 V (Cs+ + e- → Cs) | |
| 56Ba | Barium | -2.92 V (Ba2+ + 2e- → Ba) | |
| 57La | Lanthanum | -2.38 V (La3+ + 3e- → La) | |
| 58Ce | Cerium | -2.34 V (Ce3+ + 3e- → Ce) | |
| 59Pr | Praseodymium | -2.35 V (Pr3+ + 3e- → Pr) | |
| 60Nd | Neodymium | -2.32 V (Nd3+ + 3e- → Nd) | |
| 61Pm | Promethium | -2.423 V (Pm3+ + 3e- → Pm) | |
| 63Eu | Europium | -1.99 V (Eu3+ + 3e- → Eu) | |
| 66Dy | Dysprosium | -2.29 V (Dy3+ + 3e- → Dy) | |
| 67Ho | Holmium | -2.33 V (Ho3+ + 3e- → Ho) | |
| 68Er | Erbium | -2.32 V (Er3+ + 3e- → Er) | |
| 69Tm | Thulium | -2.32 V (Tm3+ + 3e- → Tm) | |
| 70Yb | Ytterbium | -2.22 V (Yb3+ + 3e- → Yb) | |
| 71Lu | Lutetium | -2.3 V (Lu3+ + 3e- → Lu) | |
| 72Hf | Hafnium | -1.505 V (HfO2 + 4H+ + 4e- → Hf + 2H2O) | |
| 73Ta | Tantalum | -0.81 V (½Ta2O5 + 5H+ + 5e- → Ta + 2½H2O) | |
| 74W | Tungsten | -0.119 V (WO2 + 4H+ + 4e- → W + 2H2O) | |
| 75Re | Rhenium | -0.276 V (ReO2 + 4H+ + 4e- → Re + 2H2O) | |
| 76Os | Osmium | 0.85 V (OsO4 + 8H+ + 8e- → Os + 4H2O) | |
| 77Ir | Iridium | 1.156 V (Ir3+ + 3e- → Ir) | |
| 78Pt | Platinum | 1.118 V (Pt2+ + 2e- → Pt) | |
| 79Au | Gold | 1.52 V (Au3+ + 3e- → Au) | |
| 80Hg | Mercury | 0.8535 V (Hg2+ + 2e- → Hg) | |
| 81Tl | Thallium | -0.3363 V (Tl+ + e- → Tl) | |
| 82Pb | Lead | -0.1251 V (Pb2+ + 2e- → Pb) | |
| 83Bi | Bismuth | 0.317 V (Bi3+ + 3e- → Bi) | |
| 84Po | Polonium | 0.37 V (Po2+ + 2e- → Po) | |
| 87Fr | Francium | (-2.92 V) (Fr+ + e- → Fr) | |
| 88Ra | Radium | -2.916 V (Ra2+ + 2e- → Ra) | |
| 89Ac | Actinium | -2.13 V (Ac3+ + 3e- → Ac) | |
| 92U | Uranium | -1.66 V (U3+ + 3e- → U) | |
| 93Np | Neptunium | -1.79 V (Np3+ + 3e- → Np) | |
| 94Pu | Plutonium | -2.031 V (Pu3+ + 3e- → Pu) | |
| 95Am | Americium | -2.07 V (Am3+ + 3e- → Am) | |
| 96Cm | Curium | -2.06 V (Cm3+ + 3e- → Cm) | |
| 97Bk | Berkelium | -2 V (Bk3+ + 3e- → Bk) | |
| 98Cf | Californium | -1.91 V (Cf3+ + 3e- → Cf) | |
| 100Fm | Fermium | -1.96 V (Fm3+ + 3e- → Fm) | |