Chlorine vs Rhenium

PropertyCl ChlorineRe Rhenium
Atomic number1775
SymbolClRe
NameChlorineRhenium
Categoryhalogentransition-metal
Standard Atomic Weight35.4515 u186.207 u
Period36
Group177
Blockps
Phase at STPgassolid
Electron configuration[Ne]3s23p5[Xe]6s24f145d5
Oxidation states[-1, 1, 2, 3, 4, 5, 6, 7][-3, -1, 0, 1, 2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)3.161.9
Electron affinity3.6127 eV0.15 eV
Density3.214 kg/m³2.080000e+4 kg/m³
Melting point-101.5 °C3185.85 °C
Boiling point-34.04 °C5595.85 °C
Discovery year17741925