|Atomic mass||252 amu|
|Date of discovery||1952|
|Name of discoverer||G.R. Choppin, S.G. Thompson, A. Ghiorso and G.G. Harvey|
|Name origin||Named after the scientist, Albert Einstein.|
|Obtained from||Made by bombarding uranium with neutrons. World production is probably less than 1 gram per year.|
Einsteinium (Es) is synthetic, transuranic element with an atomic number of 99. Einsteinium was first noticed in the radioactive fallout from the Ivy Mike nuclear test. It was named after the noted physicist Albert Einstein.
|Periodic Table of the Elements|