Discovered by. Einsteinium is a synthetic element with the atomic number 99 and is a part of the periodic table. Einsteinium Element. Boiling Point: 996 °C: Electron Configuration: [Rn]7s 2 5f 11: Oxidation States: 2, 3, 4: History. Note that, these points are associated with the standard atmospheric pressure. Einsteinium is the seventh transuranic element and falls in category 13 of the heavy transuranic subsets of the elements. Ionic radius. It is the seventh transuranic element, and an actinide. Einsteinium. unknown. Einsteinium – Melting Point and Boiling Point. Einsteinium is a member of the actinide series, it is metallic and radioactive, with no known uses. Vanderwaals radius . Einsteinium-252 is the most stable isotope of einsteinium and has a half-life of about 471.7 days, according to the Jefferson Laboratory. Electronic shell [ Rn ] 5f 10 6d 1 7s 2. It is also a member of the actinide series. Boiling point The temperature at which the liquid–gas phase change occurs. unknown. Einsteinium iodide (EsI 2) Einsteinium oxide (Es 2 O 3) Interesting facts: Ghiorso and Choppin by were analyzing debris from the first hydrogen bomb test of November 1952 during Operation Ivy when they discovered this element. Fall-out material, gathered from a neighbouring atoll, was sent to … 10. Isotopes. Melting point of Einsteinium is 860°C. Einsteinium was discovered as a component of the debris of the first hydrogen bomb explosion in 1952, and named after Albert Einstein. unknown. About .01 milligrams of einsteinium was synthesized in 1961 to … Boiling point of Einsteinium is –°C. Boiling point. Technical data for Einsteinium Click any property name to see plots of that property for all the elements. It is represented by the symbol "Es" in the periodic table. Einsteinium (Es) - Einsteinium is the seventh transuranic element with the symbol Es and atomic number 99 of the actinide series to be discovered, was identified by Ghiorso at Berkeley. ... Einsteinium was discovered in the debris of the first thermonuclear explosion which took place on a Pacific atoll, on 1 November 1952. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 0.23 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 482.98 (Adapted Stein & Brown method) Melting Pt (deg C): 188.60 (Mean or Weighted MP) VP(mm Hg,25 deg C): 4.24E-009 (Modified Grain … Einsteinium is a synthetic element with symbol Es and atomic number 99. Argonne at the University of California in 1952. The boilling point of Einsteinium has not been determined, however it melts at 1133 K (860 °C, 1580 °F. Learn more about the uses & health hazards. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. 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