Yttrium vs Hassium

PropertyY YttriumHs Hassium
Atomic number39108
SymbolYHs
NameYttriumHassium
Categorytransition-metaltransition-metal
Standard Atomic Weight88.90584 u270 u
Period57
Group38
Blockss
Phase at STPsolidN/A
Electron configuration[Kr]5s24d1[Rn]7s25f146d6
Oxidation states[0, 1, 2, 3][3, 4, 6, 8]
Electronegativity (Pauling)1.22N/A
Electron affinity0.307 eV1.1 eV
Density4470 kg/m³4.070000e+4 kg/m³
Melting point1521.85 °C-273.15 °C
Boiling point3344.85 °C-273.15 °C
Discovery year17941984