Neon vs Terbium

PropertyNe NeonTb Terbium
Atomic number1065
SymbolNeTb
NameNeonTerbium
Categorynoble-gaslanthanide
Standard Atomic Weight20.1797 u158.92535 u
Period26
Group18N/A
Blockps
Phase at STPgassolid
Electron configuration[He]2s22p6[Xe]6s24f9
Oxidation states[0][0, 1, 2, 3, 4]
Electronegativity (Pauling)N/AN/A
Electron affinity-1.2 eV1.124 eV
Density0.8999 kg/m³8230 kg/m³
Melting point-248.59 °C1355.85 °C
Boiling point-246.05 °C3229.85 °C
Discovery year18981843