Chemical Elements History and Information Holmium

About the chemical element Holmium, its symbol, atomic number and weight, who discovered it and when.

The Atomic Elements and Their Uses

(Element) (Symbol) (Atomic number) (Atomic weight)

Holmium Ho 67 164.9304

Discovered by Jacques Soret and Marc de Lafontaine of Switzerland in 1878. Independent discovery by Per Teodor Cleve of Sweden in 1879.