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YTTERBIUM (70Yb173.04)

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Element Description

Ytterbium occurs along with other rare earths in many rare minerals. It is a lustrous, bright silver metal with potential use in improving the strength and mechanical properties of stainless steel. Ytterbium is soft, malleable, and ductile. It reacts slowly with water and is soluble in dilute acids.

Property Name Property Value Property Name Property Value
Atomic Code (70Yb173.04) Electronegativity 1.1Pauling's
CAS # 7440-64-4 Electrical Resistivity @ 298°C 25.1µΩ-cm
Crystal Structure Cubic, face centered
Melting Point 819°C Compressibility 7.39x10-6cm2/kg
Boiling Point 1196°C Thermal Neutron Cross Section 36barns/atom
Density 6.97g/cm3 Magnetic Moment 0.41Bohr magnetons
Specific Heat @ 25°C 0.035cal/g°C Magnetic Susceptibility 71x10-6emu/mole
Heat of Fusion 1.8k-cal/g-atom Tensile Strength 10,400psi
Heat of Vaporization 38k-cal/g-atom Yield Strength 9,500psi
Atomic Volume 24.8W/D Transformation Temperature 792°C
First Ionization Energy 143K-cal/g-mole Standard Electrode Potential +2.1volts


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