Yb
YTTERBIUM
Definition In its pure form, it has no commercial use but when mixed with the rare earth elements, it strengtens stainless steel adn other alloys.
Discovery 1878
Uses Stainless steel, grain refinements
Group of Elements Lanthanide(Solid)
Atomic Weight 173.054
Oxidation State +2,3
Melting Point 824
Boiling Point 1193
Density 6.97 g/cm3
Electronegativity 1.1