Properties | More Info | Isotopes | Spectra
Compounds | Reactions | Production
Atomic: M.A.C. | Reference
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Reactions of Thorium
Reactions with air
When it is exposed to oxygen, thorium slowly tarnishes in air, becoming grey and eventually black.
Reduction Potentials
Balanced half-reaction E0 / V
Th4+ + 4e-Th(s) -1.90
Th(OH)4(s) + 4e-Th(s) + 4OH- -2.48