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Atomic Structure of Barium and Francium

Barium
Francium
Atomic Structure of Francium and Barium


Atomic Properties
Atomic Number
56   
99+
87   
31
Electron Configuration
[Xe] 6s2   
[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
56   
99+
87   
31
Number of Neutrons
81   
99+
136   
17
Number of Electrons
56   
99+
87   
31
Radius of an Atom
  
  
Atomic Radius
222.00 pm   
4
Not Available   
Covalent Radius
215.00 pm   
5
260.00 pm   
1
Van der Waals Radius
268.00 pm   
6
348.00 pm   
1
Atomic Weight
137.33 amu   
99+
223.00 amu   
27
Atomic Volume
39.24 cm3/mol   
5
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Polonium
  
Next Element
Lanthanum
  
Radium
  
Valence Electron Potential
21.30 (-eV)   
99+
8.00 (-eV)   
99+
Lattice Constant
502.80 pm   
15
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
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