= Einsteinium
{wiki=Einsteinium}
Einsteinium is a synthetic element in the actinide series of the periodic table, with the symbol **Es** and atomic number **99**. It was discovered in 1952 as a component of the debris from the first hydrogen bomb explosion. The element is named after the physicist Albert Einstein. Einsteinium is a radioactive element, and it is not found naturally in significant amounts. It can only be produced in minute quantities in nuclear reactors or during nuclear explosions.
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