Einsteinium and Erbium Periodic Table
Symbol
Es
  
Er
  
Group Number
Not Available
  
Not Available
  
Period Number
7
  
6
  
Block
f block
  
f block
  
Element Family
Actinide
  
Lanthanide
  
Space Group Name
Not Available
  
P63/mmc
  
Space Group Number
Not Available