Nevertheless, element 99 (einsteinium), namely its 253Es isotope, could be detected via its characteristic high-energy alpha decay at 6.6 MeV. It was produced by the capture of 15 neutrons by uranium-238 nuclei followed by seven beta-decays, and had a half-life of 20.5 days.
https://en.wikipedia.org/wiki/Einsteinium
Elements and Periodic Table History. Einsteinium was discovered in the debris of the first thermonuclear explosion which took place on a Pacific atoll, on 1 November 1952. Fall-out material, gathered from a neighbouring atoll, was sent to Berkeley, California, for analysis.
http://www.rsc.org/periodic-table/element/99/einsteinium
Back to Elements List. Einsteinium, the seventh transuranic element of the actinide series to be discovered, was identified by Ghiorso and co-workers at Berkeley in December 1952 in debris from the first large thermonuclear explosion, which took place in the Pacific in November, 1952.
http://periodic.lanl.gov/99.shtml
Atomic Number: 99. Einsteinium, the seventh transuranic element of the actinide series to be discovered, was identified by Ghiorso and co-workers at Berkeley in December 1952 in debris from the first large thermonuclear explosion, which took place in the Pacific in November, 1952.
http://periodic.lanl.gov/99.shtml
Einsteinium is a synthetic element with symbol Es and atomic number 99. It is the seventh transuranic element, and an actinide. Einsteinium was discovered as a component of the debris of the first hydrogen bomb explosion in 1952, and named after Albert Einstein.
https://en.wikipedia.org/wiki/Einsteinium
Einsteinium is a synthetic, silvery-white, radioactive metal. In the periodic table, it is located to the right of the actinide californium, to the left of the actinide fermium and below the lanthanide holmium with which it shares many similarities in physical and chemical properties.
https://en.wikipedia.org/wiki/Einsteinium
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.
http://www.elementsdatabase.com/Einsteinium-Es-99-element/
This isotope was produced through the absorption of 6 neutrons by a nucleus of uranium-238, which was followed by beta decay. Einsteinium is one of the trans-uranic elements, which are elements with an atomic number higher than 92 (all of them are radioactive). It was aptly named after Albert Einstein. The most common isotope of Es is Es-253, which is generated in several high-power nuclear reactors, albeit in minute quantities.
http://www.elementsdatabase.com/Einsteinium-Es-99-element/
Einsteinium is a soft, silvery, paramagnetic metal. Its chemistry is typical of the late actinides, with a preponderance of the +3 oxidation state; the +2 oxidation state is also accessible, especially in solids.
https://en.wikipedia.org/wiki/Einsteinium
2, 3. Einsteinium, the seventh transuranic element of the actinide series to be discovered, was identified by Ghiorso and co-workers at Berkeley in December 1952 in debris from the first large thermonuclear explosion, which took place in the Pacific in November, 1952. The 20-day 253Es isotope was produced.
http://periodic.lanl.gov/99.shtml
who named element einsteinium
Albert Einstein named the element Einsteinium.