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Atomic Structure of Radium and Francium

Radium
Francium
Atomic Structure of Francium and Radium


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