Einsteinium (noun) Definition, Meaning & Examples

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noun Chemistry, Physics.
  1. a transuranic element. Symbol: Es; atomic number: 99.
noun
  1. a metallic transuranic element artificially produced from plutonium. Symbol: Es; atomic no: 99; half-life of most stable isotope, 252 Es: 276 days
Es
    Einsteinium (noun) Definition, Meaning & Examples

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