Indium vs Thorium

PropertyIn IndiumTh Thorium
Atomic number4990
SymbolInTh
NameIndiumThorium
Categorypost-transition-metalactinide
Standard Atomic Weight114.818 u232.0377 u
Period57
Group13N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p1[Rn]7s26d2
Oxidation states[-5, -2, -1, 0, 1, 2, 3][-1, 1, 2, 3, 4]
Electronegativity (Pauling)1.781.3
Electron affinity0.3 eV0.607 eV
Density7310 kg/m³1.172000e+4 kg/m³
Melting point156.6 °C1749.85 °C
Boiling point2071.85 °C4787.85 °C
Discovery year18631828