Boron vs Moscovium

PropertyB BoronMc Moscovium
Atomic number5115
SymbolBMc
NameBoronMoscovium
Categorymetalloidpost-transition-metal
Standard Atomic Weight10.8135 u289 u
Period27
Group1315
Blockpp
Phase at STPsolidsolid
Electron configuration[He]2s22p1[Rn] 7s2 7p3 5f14 6d10(predicted)
Oxidation states[-5, -1, 0, 1, 2, 3][1, 3]
Electronegativity (Pauling)2.04N/A
Electron affinity0.27972 eV0.3 eV
Density2370 kg/m³1.350000e+4 kg/m³
Melting point2074.85 °C396.85 °C
Boiling point3999.85 °C1126.85 °C
Discovery year18082004