Molybdenum vs Cesium

PropertyMo MolybdenumCs Cesium
Atomic number4255
SymbolMoCs
NameMolybdenumCesium
Categorytransition-metalalkali-metal
Standard Atomic Weight95.95 u132.905452 u
Period56
Group61
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s14d5[Xe]6s1
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][-1, 1]
Electronegativity (Pauling)2.160.79
Electron affinity0.744 eV0.4716 eV
Density1.020000e+4 kg/m³1930 kg/m³
Melting point2622.85 °C28.44 °C
Boiling point4638.85 °C670.85 °C
Discovery year17781860