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Element Details

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YTTRIUM (39Y88.90585)

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Element Description

One of the rare earth elements, yttrium is found in nearly all rare earth minerals. It is also quite prevalent in lunar rock samples. Yttrium is a lustrous, silvery-to-dark gray metal that darkens with exposure to light. It's solid form is relatively stable in air.

Property Name Property Value Property Name Property Value
Atomic Code (39Y88.90585) Electronegativity 1.3Pauling's
CAS # 7440-65-5 Covalent Radius 1.62Angstroms
Electrical Resistivity @ 298°C 59.6µΩ-cm
Melting Point 1522°C Crystal Structure Hexagonal
Boiling Point 3338°C Compressibility 2.68x10-6cm2/kg
Density 4.47g/cm3 Thermal Neutron Cross Section 1.27barns/atom
Themal Conductivity 0.035cal/cm2/cm/s/°C Magnetic Moment 0.67Bohr magnetons
Specific Heat @ 27°C 0.071cal/g°C Magnetic Susceptibility 191x10-6emu/mole
Heat of Fusion 2.7k-cal/g-atom Tensile Strength 22,00psi
Heat of Vaporization 93k-cal/g-atom Yield Strength 9,700psi
Atomic Volume 19.8W/D Transformation Temperature 1479°C
First Ionization Energy 152K-cal/g-mole


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