| Half-Reaction | E0 (V) |
| Li+(aq) + e- -----> Li(s) | -3.05 |
| K+(aq) + e- -----> K(s) | -2.93 |
| Ba2+(aq) + 2 e- -----> Ba(s) | -2.90 |
| Sr2+(aq) + 2 e- -----> Sr(s) | -2.89 |
| Ca2+(aq) + 2 e- -----> Ca(s) | -2.87 |
| Na+(aq) + e- -----> Na(s) | -2.71 |
| Mg2+(aq) + 2 e- -----> Mg(s) | -2.37 |
| Be2+(aq) + 2 e- -----> Be(s) | -1.85 |
| Al3+(aq) + 3 e- -----> Al(s) | -1.66 |
| Mn2+(aq) + 2 e- -----> Mn(s) | -1.18 |
| 2 H2O + 2 e- -----> H2(g) + 2 OH-(aq) | -0.83 |
| Zn2+(aq) + 2 e- -----> Zn(s) | -0.76 |
| Cr3+(aq) + 3 e- -----> Cr(s) | -0.74 |
| Fe2+(aq) + 2 e- -----> Fe(s) | -0.44 |
| Cd2+(aq) + 2 e- -----> Cd(s) | -0.40 |
| PbSO4(s) + 2 e- -----> Pb(s) + SO42-(aq) |
-0.31 |
| Co2+(aq) + 2 e- -----> Co(s) | -0.28 |
| Ni2+(aq) + 2 e- -----> Ni(s) | -0.25 |
| Sn2+(aq) + 2 e- -----> Sn(s) | -0.14 |
| Pb2+(aq) + 2 e- -----> Pb(s) | -0.13 |
| 2 H+(aq) + 2 e- -----> H2(g) | 0.00 |
| Sn4+(aq) + 2 e- -----> Sn2+(aq) | +0.13 |
| Cu2+(aq) + e- -----> Cu+(aq) | +0.13 |
| SO42-(aq) + 4 H+(aq) + 2 e- -----> SO2(g) + 2 H2O | +0.20 |
| AgCl(s) + e- -----> Ag(s) + Cl-(aq) | +0.22 |
| Cu2+(aq) + 2 e- -----> Cu(s) | +0.34 |
| O2(g) + 2 H2 + 4 e- -----> 4 OH-(aq) | +0.40 |
| I2(s) + 2 e- -----> 2 I-(aq) | +0.53 |
| MnO4-(aq) + 2 H2O + 3 e- -----> MnO2(s) + 4 OH-(aq) | +0.59 |
| O2(g) + 2 H+(aq) + 2 e- -----> H2O2(aq) | +0.68 |
| Fe3+(aq) + e- -----> Fe2+(aq) | +0.77 |
| Ag+(aq) + e- -----> Ag(s) | +0.80 |
| Hg22+(aq) + 2 e- -----> 2 Hg(l) | +0.85 |
| 2 Hg2+(aq) + 2 e- -----> Hg22+(aq) | +0.92 |
| NO3-(aq) + 4 H+(aq) + 3 e- -----> NO(g) + 2 H2O | +0.96 |
| Br2(l) + 2 e- -----> 2 Br-(aq) | +1.07 |
| O2(g) + 4 H+(aq) + 4 e- -----> 2 H2O | +1.23 |
| MnO2(s) + 4 H+(aq) + 2 e- -----> Mn2+(aq) + 2 H2O | +1.23 |
| Cr2O72-(aq) + 14 H+(aq) + 6 e- -----> 2 Cr3+(aq) + 7 H2O | +1.33 |
| Cl2(g) + 2 e- -----> 2 Cl-(aq) | +1.36 |
| Au3+(aq) + 3 e- -----> Au(s) | +1.50 |
| MnO4-(aq) + 8 H+(aq) + 5 e- -----> Mn2+(aq) + 4 H2O | +1.51 |
| Ce4+(aq) + e- -----> Ce3+(aq) | +1.61 |
| PbO2(s) + 4 H+(aq) + SO42-(aq) + 2 e- -----> PbSO4(s) + 2 H2O | +1.70 |
| H2O2(aq) + 2 H+(aq) + 2 e- -----> 2 H2O | +1.77 |
| Co3+(aq) + e- -----> Co2+(aq) | +1.82 |
| O3(g) + 2 H+(aq) + 2 e- -----> O2(g) + H2O | +2.07 |
| F2(g) + 2 e- -----> F-(aq) | +2.87 |