Neon vs Yttrium

PropertyNe NeonY Yttrium
Atomic number1039
SymbolNeY
NameNeonYttrium
Categorynoble-gastransition-metal
Standard Atomic Weight20.1797 u88.90584 u
Period25
Group183
Blockps
Phase at STPgassolid
Electron configuration[He]2s22p6[Kr]5s24d1
Oxidation states[0][0, 1, 2, 3]
Electronegativity (Pauling)N/A1.22
Electron affinity-1.2 eV0.307 eV
Density0.8999 kg/m³4470 kg/m³
Melting point-248.59 °C1521.85 °C
Boiling point-246.05 °C3344.85 °C
Discovery year18981794