PERIODIC ELEMENT
Es (Einsteinium)

 



Atomic number : 99
Atomic mass : 254 g mol-1
Electronegativity according to Pauling : unknown
Density : unknown
Melting point : unknown
Boiling point : unknown
Vanderwaals radius : unknown
Ionic radius : unknown
Isotopes : 10
Electronic shell : [ Rn ] 5f10 6d1 7s2
Discovered by : Argonne at the University of California in 1952
 
Atomic Structure Uses (No uses known)