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Atomic Structure of Cesium and Potassium

Cesium
Potassium
Atomic Structure of Potassium and Cesium


Atomic Properties
Atomic Number
55   
99+
19   
99+
Electron Configuration
[Xe] 6s1   
[Ar] 4s1   
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+
19   
99+
Number of Neutrons
78   
99+
20   
99+
Number of Electrons
55   
99+
19   
99+
Radius of an Atom
  
  
Atomic Radius
265.00 pm   
1
227.00 pm   
3
Covalent Radius
244.00 pm   
2
203.00 pm   
9
Van der Waals Radius
343.00 pm   
2
275.00 pm   
5
Atomic Weight
132.91 amu   
99+
39.10 amu   
99+
Atomic Volume
71.07 cm3/mol   
1
45.46 cm3/mol   
3
Adjacent Atomic Numbers
  
  
Previous Element
Tin
  
Aluminium
  
Next Element
Barium
  
Calcium
  
Valence Electron Potential
8.62 (-eV)   
99+
10.40 (-eV)   
99+
Lattice Constant
614.10 pm   
5
532.80 pm   
12
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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