Neon vs Niobium

PropertyNe NeonNb Niobium
Atomic number1041
SymbolNeNb
NameNeonNiobium
Categorynoble-gastransition-metal
Standard Atomic Weight20.1797 u92.90637 u
Period25
Group185
Blockps
Phase at STPgassolid
Electron configuration[He]2s22p6[Kr]5s14d4
Oxidation states[0][-3, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)N/A1.6
Electron affinity-1.2 eV0.893 eV
Density0.8999 kg/m³8570 kg/m³
Melting point-248.59 °C2476.85 °C
Boiling point-246.05 °C4743.85 °C
Discovery year18981801