Phosphorus vs Yttrium

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PropertyP PhosphorusY Yttrium
Atomic number1539
SymbolPY
NamePhosphorusYttrium
Categorynonmetaltransition-metal
Standard Atomic Weight30.973762 u88.90584 u
Period35
Group153
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p3[Kr]5s24d1
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][0, 1, 2, 3]
Electronegativity (Pauling)2.191.22
Electron affinity0.7466 eV0.307 eV
Density1820 kg/m³4470 kg/m³
Melting point44.15 °C1521.85 °C
Boiling point280.5 °C3344.85 °C
Discovery year16691794