Chromium vs Cesium

PropertyCr ChromiumCs Cesium
Atomic number2455
SymbolCrCs
NameChromiumCesium
Categorytransition-metalalkali-metal
Standard Atomic Weight51.9961 u132.905452 u
Period46
Group61
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]3d54s1[Xe]6s1
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][-1, 1]
Electronegativity (Pauling)1.660.79
Electron affinity0.675 eV0.4716 eV
Density7150 kg/m³1930 kg/m³
Melting point1906.85 °C28.44 °C
Boiling point2670.85 °C670.85 °C
Discovery year17971860