Phosphorus vs Scandium

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PropertyP PhosphorusSc Scandium
Atomic number1521
SymbolPSc
NamePhosphorusScandium
Categorynonmetaltransition-metal
Standard Atomic Weight30.973762 u44.955908 u
Period34
Group153
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p3[Ar]4s23d1
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][0, 1, 2, 3]
Electronegativity (Pauling)2.191.36
Electron affinity0.7466 eV0.188 eV
Density1820 kg/m³2990 kg/m³
Melting point44.15 °C1540.85 °C
Boiling point280.5 °C2835.85 °C
Discovery year16691879