Holmium vs Moscovium

← Back to Periodic Table
PropertyHo HolmiumMc Moscovium
Atomic number67115
SymbolHoMc
NameHolmiumMoscovium
Categorylanthanidepost-transition-metal
Standard Atomic Weight164.93033 u289 u
Period67
GroupN/A15
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f11[Rn] 7s2 7p3 5f14 6d10(predicted)
Oxidation states[0, 1, 2, 3][1, 3]
Electronegativity (Pauling)1.23N/A
Electron affinity0.338 eV0.3 eV
Density8800 kg/m³1.350000e+4 kg/m³
Melting point1473.85 °C396.85 °C
Boiling point2699.85 °C1126.85 °C
Discovery year18782004