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Holmium (Ho): Fun Facts and Information About the Element

What is the symbol? Ho
What is the atomic number? 67
What is the atomic weight? 164.9303
What is the melting point in Celsius? 1470
What is the boiling point in Celsius? 2720
What is the density (g/cm3)? 8.8
What year was it discovered? 1867
Who discovered the element? Per Theodor Cleve
What group is the element in? 101
What is the electron configuration? [Xe] 4f11 6s2
What is the ionization energy? 6.0215
What element category is it in? Lanthanoids

Where is Holmium Found?

It has been isolated by the reduction of its anhydrous chloride or fluoride with calcium metal.

What is Holmium Used For?

Few uses have yet been found for the element. The element, as with other rare earths, seems to have a low acute toxic rating.