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SCANDIUM (21Sc44.955910)

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Element Description

A much more abundant element on the sun than on earth, scandium is still widely distributed on earth, occuring in over 800 mineral species. Scandium is a silvery-white metal that develops a yellow or pink tint when exposed to air. It is relatively soft and is chemically simialr to the rare earth metals. Scandium's light weight and high melting point suggest applications within the aircraft industry.

Property Name Property Value Property Name Property Value
Atomic Code (21Sc44.955910) Atomic Volume 15.0W/D
CAS # 7440-20-2 First Ionization Energy 151K-cal/g-mole
Electronegativity 1.3Pauling's
Melting Point 1541°C Covalent Radius 1.44Angstroms
Boiling Point 2836°C Electrical Resistivity @ 298°C 50.9µΩ-cm
Density 2.989g/cm3 Crystal Structure Hexagonal
Specific Heat @ 25°C 0.13cal/g°C Compressibility 2.26x10-6cm2/kg
Heat of Fusion 3.8k-cal/g-atom Transformation Temperature 1335°C
Heat of Vaporization 81k-cal/g-atom


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