Praseodymium vs Livermorium

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PropertyPr PraseodymiumLv Livermorium
Atomic number59116
SymbolPrLv
NamePraseodymiumLivermorium
Categorylanthanidepost-transition-metal
Standard Atomic Weight140.90766 u293 u
Period67
GroupN/A16
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f3[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[0, 1, 2, 3, 4, 5][-2, 2, 4]
Electronegativity (Pauling)1.13N/A
Electron affinity0.962 eV0.7 eV
Density6770 kg/m³1.290000e+4 kg/m³
Melting point930.85 °C506.85 °C
Boiling point3519.85 °C861.85 °C
Discovery year18852000