Arsenic vs Yttrium

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PropertyAs ArsenicY Yttrium
Atomic number3339
SymbolAsY
NameArsenicYttrium
Categorymetalloidtransition-metal
Standard Atomic Weight74.921595 u88.90584 u
Period45
Group153
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p3[Kr]5s24d1
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][0, 1, 2, 3]
Electronegativity (Pauling)2.181.22
Electron affinity0.81 eV0.307 eV
Density5776 kg/m³4470 kg/m³
Melting point816.85 °C1521.85 °C
Boiling point613.85 °C3344.85 °C
Discovery year12501794