Technetium vs Tennessine

PropertyTc TechnetiumTs Tennessine
Atomic number43117
SymbolTcTs
NameTechnetiumTennessine
Categorytransition-metalhalogen
Standard Atomic Weight98 u294 u
Period57
Group717
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d5[Rn] 7s2 7p5 5f14 6d10(predicted)
Oxidation states[-3, -1, 1, 2, 3, 4, 5, 6, 7][-1, 1, 3, 5]
Electronegativity (Pauling)1.9N/A
Electron affinity0.55 eV1.8 eV
Density1.100000e+4 kg/m³7200 kg/m³
Melting point2156.85 °C549.85 °C
Boiling point4264.85 °C609.85 °C
Discovery year19372010