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Atomic Structure of Barium and 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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