Es
Einsteinium
Actinide
Einsteinium is a synthetic element named after Albert Einstein. It was discovered in the debris of the first hydrogen bomb test.
Key Facts
Atomic Number
99
Atomic Weight
252
State
Solid
Half-life
471.7 days (Es-252)
Discovered
1952
Albert Ghiorso and colleagues
Overview
Description
Einsteinium is a synthetic element named after Albert Einstein. It was discovered in the debris of the first hydrogen bomb test.
Discovery
Einsteinium was discovered in 1952 by Albert Ghiorso and colleagues.