Ytterbium Powder -325 Mesh 99.9%

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Ytterbium is a chemical element with symbol Yb and atomic number 70. It is the fourteenth and penultimate element in the lanthanide series, which is the basis of the relative stability of its +2 oxidation state. However, like the other lanthanides, its most common oxidation state is +3, as in its oxidehalides, and other compounds. In aqueous solution, like compounds of other late lanthanides, soluble ytterbium compounds form complexes with nine water molecules. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides.

Phase at STP solid
Melting point 1097 K  (824 °C, 1515 °F)
Boiling point 1469 K (1196 °C, 2185 °F)
Density (near r.t.) 6.90 g/cm3
when liquid (at m.p.) 6.21 g/cm3
Heat of fusion 7.66 kJ/mol
Heat of vaporization 129 kJ/mol
Molar heat capacity 26.74 J/(mol·K)