Technetium vs Ytterbium

PropertyTc TechnetiumYb Ytterbium
Atomic number4370
SymbolTcYb
NameTechnetiumYtterbium
Categorytransition-metallanthanide
Standard Atomic Weight98 u173.054 u
Period56
Group7N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s24d5[Xe]6s24f14
Oxidation states[-3, -1, 1, 2, 3, 4, 5, 6, 7][0, 1, 2, 3]
Electronegativity (Pauling)1.9N/A
Electron affinity0.55 eV-0.02 eV
Density1.100000e+4 kg/m³6900 kg/m³
Melting point2156.85 °C818.85 °C
Boiling point4264.85 °C1195.85 °C
Discovery year19371878