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Atomic Structure of Potassium and Rubidium

Potassium
Rubidium
Atomic Structure of Rubidium and Potassium


Atomic Properties
Atomic Number
19   
99+
37   
99+
Electron Configuration
[Ar] 4s1   
[Kr] 5s1   
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+
37   
99+
Number of Neutrons
20   
99+
48   
99+
Number of Electrons
19   
99+
37   
99+
Radius of an Atom
  
  
Atomic Radius
227.00 pm   
3
248.00 pm   
2
Covalent Radius
203.00 pm   
9
220.00 pm   
4
Van der Waals Radius
275.00 pm   
5
303.00 pm   
3
Atomic Weight
39.10 amu   
99+
85.47 amu   
99+
Atomic Volume
45.46 cm3/mol   
3
55.90 cm3/mol   
2
Adjacent Atomic Numbers
  
  
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Aluminium
  
Gallium
  
Next Element
Calcium
  
Strontium
  
Valence Electron Potential
10.40 (-eV)   
99+
9.47 (-eV)   
99+
Lattice Constant
532.80 pm   
12
558.50 pm   
10
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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