Actinium and Darmstadtium Periodic Table
Symbol
Ac
  
Ds
  
Group Number
Not Available
  
Period Number
7
  
7
  
Block
f block
  
d block
  
Element Family
Actinide
  
Probably Transition
  
Space Group Name
Fm_ 3m
  
Not Available
  
Space Group Number
Not Available