Einsteinium

99
Es
252

Properties

Symbol Name Atomic Number Atomic Weight Group Number
Es Einsteinium 99 252

Description

Standard State: solid at 298 K
Color: Unknown

Einsteinium was discovered by Ghiorso and co-workers at Berkley in 1952 in the debris of the first hydrogen bomb explosion. Einsteinium has the chemical properties typical of a heavy trivalent, actinide element.