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Atomic Structure of Potassium and Francium

Potassium
Francium
Atomic Structure of Francium and Potassium


Atomic Properties
Atomic Number
19   
99+
87   
31
Electron Configuration
[Ar] 4s1   
[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
19   
99+
87   
31
Number of Neutrons
20   
99+
136   
17
Number of Electrons
19   
99+
87   
31
Radius of an Atom
  
  
Atomic Radius
227.00 pm   
3
Not Available   
Covalent Radius
203.00 pm   
9
260.00 pm   
1
Van der Waals Radius
275.00 pm   
5
348.00 pm   
1
Atomic Weight
39.10 amu   
99+
223.00 amu   
27
Atomic Volume
45.46 cm3/mol   
3
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Polonium
  
Next Element
Calcium
  
Radium
  
Valence Electron Potential
10.40 (-eV)   
99+
8.00 (-eV)   
99+
Lattice Constant
532.80 pm   
12
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
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