Chlorine vs Terbium

PropertyCl ChlorineTb Terbium
Atomic number1765
SymbolClTb
NameChlorineTerbium
Categoryhalogenlanthanide
Standard Atomic Weight35.4515 u158.92535 u
Period36
Group17N/A
Blockps
Phase at STPgassolid
Electron configuration[Ne]3s23p5[Xe]6s24f9
Oxidation states[-1, 1, 2, 3, 4, 5, 6, 7][0, 1, 2, 3, 4]
Electronegativity (Pauling)3.16N/A
Electron affinity3.6127 eV1.124 eV
Density3.214 kg/m³8230 kg/m³
Melting point-101.5 °C1355.85 °C
Boiling point-34.04 °C3229.85 °C
Discovery year17741843