Chemical Elements History and Information Einsteinium

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

The Atomic Elements and Their Uses

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

Einsteinium Es 99 (254)

Discovered by Albert Ghiorso, Glenn Seaborg, Stanley Thompson, Gary Higgins, and research team of the U.S. in 1952. This element was accidentally discovered in the dust collected from the cloud produced by the first hydrogen bomb test.