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Atomic Structure of Francium and Barium


Atomic Structure of Barium and Francium


Atomic Properties

Atomic Number
87   
31
56   
99+

Electron Configuration
[Rn] 7s1   
[Xe] 6s2   

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
56   
99+

Number of Neutrons
136   
17
81   
99+

Number of Electrons
87   
31
56   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
222.00 pm   
4

Covalent Radius
260.00 pm   
1
215.00 pm   
5

Van der Waals Radius
348.00 pm   
1
268.00 pm   
6

Atomic Weight
223.00 amu   
27
137.33 amu   
99+

Atomic Volume
Not Available   
39.24 cm3/mol   
5

Adjacent Atomic Numbers
  
  

Previous Element
Polonium
  
Cesium
  

Next Element
Radium
  
Lanthanum
  

Valence Electron Potential
8.00 (-eV)   
99+
21.30 (-eV)   
99+

Lattice Constant
Not Available   
502.80 pm   
15

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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