Chromium vs Bromine

PropertyCr ChromiumBr Bromine
Atomic number2435
SymbolCrBr
NameChromiumBromine
Categorytransition-metalhalogen
Standard Atomic Weight51.9961 u79.904 u
Period44
Group617
Blocksp
Phase at STPsolidliquid
Electron configuration[Ar]3d54s1[Ar]4s23d104p5
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][-1, 1, 2, 3, 4, 5, 7]
Electronegativity (Pauling)1.662.96
Electron affinity0.675 eV3.3635 eV
Density7150 kg/m³3102.8 kg/m³
Melting point1906.85 °C-7.2 °C
Boiling point2670.85 °C58.8 °C
Discovery year17971825