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Atomic Structure of Francium and Radium

Francium
Radium
Atomic Structure of Radium and Francium


Atomic Properties
Atomic Number
87   
31
88   
30
Electron Configuration
[Rn] 7s1   
[Rn] 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
87   
31
88   
30
Number of Neutrons
136   
17
138   
16
Number of Electrons
87   
31
88   
30
Radius of an Atom
  
  
Covalent Radius
260.00 pm   
1
221.00 pm   
3
Van der Waals Radius
348.00 pm   
1
283.00 pm   
4
Atomic Weight
223.00 amu   
27
226.00 amu   
26
Atomic Volume
Not Available   
45.20 cm3/mol   
4
Adjacent Atomic Numbers
  
  
Previous Element
Polonium
  
Francium
  
Next Element
Radium
  
Actinium
  
Valence Electron Potential
8.00 (-eV)   
99+
20.10 (-eV)   
99+
Lattice Constant
Not Available   
514.80 pm   
13
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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