Einsteinium

Symbol: Es

Atomic Number: 99

Atomic Weight: (252)


Einsteinium is a synthetic element (not found in nature) with an atomic number 99 and symbol Es. The element was discovered in 1952 in Berkley, California, by G.G. Harvey, A. Ghiorso, S.G. Thompson, and G.R. Choppin. In fact, einsteinium was discovered through a thermonuclear explosion test, which was conducted in the Pacific. The test took place at Enewetak Atoll on November 1, and it was the first successful hydrogen bomb test. The debris produced from the explosion contained a new isotope of the element plutonium. This isotope was produced through the absorption of 6 neutrons by a nucleus of...Read More