Molybdenum vs Lanthanum

PropertyMo MolybdenumLa Lanthanum
Atomic number4257
SymbolMoLa
NameMolybdenumLanthanum
Categorytransition-metallanthanide
Standard Atomic Weight95.95 u138.90547 u
Period56
Group6N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s14d5[Xe]6s25d1
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][0, 1, 2, 3]
Electronegativity (Pauling)2.161.1
Electron affinity0.744 eV0.47 eV
Density1.020000e+4 kg/m³6150 kg/m³
Melting point2622.85 °C917.85 °C
Boiling point4638.85 °C3463.85 °C
Discovery year17781839