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Yttrium (₃₉Y^88.90585)
[7440-65-5]

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Elemental Form


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