67

Holmio – HolmiumMass: 164.9 u1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f11

Melting point: 1734 K Boiling point: 2993 KDensity: 8.7 g/cm3

Discovery: Delafontaine & Soret (1878) Elemental Holmium is a relatively soft and malleable silvery-white metal. It is too reactive to be found uncombined in nature, but when isolated, is relatively stable in dry air at room temperature.