Carbon vs Cesium

PropertyC CarbonCs Cesium
Atomic number655
SymbolCCs
NameCarbonCesium
Categorynonmetalalkali-metal
Standard Atomic Weight12.0106 u132.905452 u
Period26
Group141
Blockps
Phase at STPsolidsolid
Electron configuration[He]2s22p2[Xe]6s1
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-1, 1]
Electronegativity (Pauling)2.550.79
Electron affinity1.2621 eV0.4716 eV
Density2267 kg/m³1930 kg/m³
Melting point3549.85 °C28.44 °C
Boiling point3824.85 °C670.85 °C
Discovery year17971860