Einsteinium

Named after a genius

Description:

Unfortunately, there has never been enough einsteinium procured to create an accurate description of the element. It has been hypothesized that it is likely to be grey or silvery-white in color and it is classified as a metallic element.
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Basic Info:

Einsteinium:
  • Elemental symbol is "Es"
  • Atomic number is 99
  • Atomic weight is 252
  • Group is actinoids
  • Period is 7

History:

Einsteinium was discovered in 1952 by workers at Argonne, Los Alamos, USA and at the University of California at Berkeley, USA. In 1961, a macroscopic amount of 253Es was separated from a sufficient amount of einsteinium being produced. It is named after historical genius Albert Einstein.
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Einsteinium: A Mystery Element

  • It is a synthetic element that has no biological role
  • It is not found naturally in humans or the universe
  • Einsteinium has almost no information on it, because it has only ever existed in extremely small quantities that scientists could not test on for a multitude of reasons

Known Physical Properties:

  • Density of solid = 13500 kg m-3
  • Thermal conductivity = estimated to be 10 W m-1 K-1
  • Melting point = 1580 degrees fahrenheit (860 degrees celsius)
  • Yet again, scientists have never been able to test most properties of einsteinium because of its rareness and small quantities

Interesting facts:

  • Einsteinium is radioactive
  • It has a half-life of 1.29 years... that's a LONG TIME!
  • Einsteinium can not be found anywhere naturally in the geosphere
  • It is a fabricated, synthetic element that was created from the debris of the first thermonuclear bomb explosion in the Pacific Ocean