Einsteinium

 


 

Name Einsteinium
Symbol Es
Atomic Number 99
Atomic Mass 252.0 atomic mass units
Number of Protons 99
Number of Neutrons 153
Number of Electrons 99
Melting Point 860.0 C
Boiling Point Unknown
Density Unknown
Normal Phase Synthetic
Family Rare Earth Metals
Period 7
Cost Not enough has been produced to sell.

 


 

Origin of Name After Albert Einstein
Date and Place of Discovery First synthesized early in December 1952 at the University of California at Berkeley and at the Los Alamos National Laboratory
Discovered by Albert Ghiorso (University of California, Berkeley)
Gregory R. Choppin (Los Alamos National Laboratory)
Common Compounds
Interesting facts
Common Uses There are no known uses except for basic scientific research.

 

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