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Atomic Structure of Cesium and Barium


Atomic Structure of Barium and Cesium


Atomic Properties

Atomic Number
55   
99+
56   
99+

Electron Configuration
[Xe] 6s1   
[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
55   
99+
56   
99+

Number of Neutrons
78   
99+
81   
99+

Number of Electrons
55   
99+
56   
99+

Radius of an Atom
  
  

Atomic Radius
265.00 pm   
1
222.00 pm   
4

Covalent Radius
244.00 pm   
2
215.00 pm   
5

Van der Waals Radius
343.00 pm   
2
268.00 pm   
6

Atomic Weight
132.91 amu   
99+
137.33 amu   
99+

Atomic Volume
71.07 cm3/mol   
1
39.24 cm3/mol   
5

Adjacent Atomic Numbers
  
  

Previous Element
Tin
  
Cesium
  

Next Element
Barium
  
Lanthanum
  

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

Lattice Constant
614.10 pm   
5
502.80 pm   
15

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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