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Atomic Structure of Rubidium and Potassium

Rubidium
Potassium
Atomic Structure of Potassium and Rubidium


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