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Atomic Structure of Actinium and Roentgenium

Actinium
Roentgenium
Atomic Structure of Roentgenium and Actinium


Atomic Properties
Atomic Number
89   
29
111   
7
Electron Configuration
[Rn] 6d1 7s2   
[Rn] 5f14 6d9 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
89   
29
111   
7
Number of Neutrons
138   
16
161   
3
Number of Electrons
89   
29
111   
7
Radius of an Atom
  
  
Atomic Radius
195.00 pm   
7
Not Available   
Atomic Weight
227.00 amu   
25
281.00 amu   
6
Atomic Volume
22.54 cm3/mol   
11
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Radium
  
Darmstadtium
  
Next Element
Thorium
  
Copernicium
  
Valence Electron Potential
38.60 (-eV)   
99+
Not Available   
Lattice Constant
567.00 pm   
8
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
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