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Atomic Structure of Rubidium and Potassium

Rubidium
Potassium
Atomic Structure of Potassium and Rubidium


Atomic
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  
3
227.00 pm  
4
Covalent Radius
220.00 pm  
4
203.00 pm  
9
Van der Waals Radius
303.00 pm  
4
275.00 pm  
7
Atomic Weight
85.47 amu  
99+
39.10 amu  
99+
Atomic Volume
55.90 cm3/mol  
3
45.46 cm3/mol  
4
Adjacent Atomic Numbers
  
  
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Gallium
  
Aluminium
  
Next Element
Strontium
  
Calcium
  
Valence Electron Potential
9.47 (-eV)  
99+
10.40 (-eV)  
99+
Lattice Constant
558.50 pm  
11
532.80 pm  
13
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.59  
28
1.69  
10
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