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Atomic Structure of Potassium and Cesium


Atomic Structure of Cesium and Potassium


Atomic Properties

Atomic Number
19   
99+
55   
99+

Electron Configuration
[Ar] 4s1   
[Xe] 6s1   

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
19   
99+
55   
99+

Number of Neutrons
20   
99+
78   
99+

Number of Electrons
19   
99+
55   
99+

Radius of an Atom
  
  

Atomic Radius
227.00 pm   
3
265.00 pm   
1

Covalent Radius
203.00 pm   
9
244.00 pm   
2

Van der Waals Radius
275.00 pm   
5
343.00 pm   
2

Atomic Weight
39.10 amu   
99+
132.91 amu   
99+

Atomic Volume
45.46 cm3/mol   
3
71.07 cm3/mol   
1

Adjacent Atomic Numbers
  
  

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Calcium
  
Barium
  

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

Lattice Constant
532.80 pm   
12
614.10 pm   
5

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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