Technetium vs Xenon

PropertyTc TechnetiumXe Xenon
Atomic number4354
SymbolTcXe
NameTechnetiumXenon
Categorytransition-metalnoble-gas
Standard Atomic Weight98 u131.293 u
Period55
Group718
Blocksp
Phase at STPsolidgas
Electron configuration[Kr]5s24d5[Kr]5s24d105p6
Oxidation states[-3, -1, 1, 2, 3, 4, 5, 6, 7][0, 2, 4, 6, 8]
Electronegativity (Pauling)1.92.6
Electron affinity0.55 eV-0.8 eV
Density1.100000e+4 kg/m³5.887 kg/m³
Melting point2156.85 °C-111.79 °C
Boiling point4264.85 °C-108.1 °C
Discovery year19371898