Indium vs Lanthanum

PropertyIn IndiumLa Lanthanum
Atomic number4957
SymbolInLa
NameIndiumLanthanum
Categorypost-transition-metallanthanide
Standard Atomic Weight114.818 u138.90547 u
Period56
Group13N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p1[Xe]6s25d1
Oxidation states[-5, -2, -1, 0, 1, 2, 3][0, 1, 2, 3]
Electronegativity (Pauling)1.781.1
Electron affinity0.3 eV0.47 eV
Density7310 kg/m³6150 kg/m³
Melting point156.6 °C917.85 °C
Boiling point2071.85 °C3463.85 °C
Discovery year18631839