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Atomic Structure of Cesium and Rubidium

Cesium
Rubidium
Atomic Structure of Rubidium and Cesium


Atomic
Atomic Number
55  
99+
37  
99+
Electron Configuration
[Xe] 6s1  
[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
55  
99+
37  
99+
Number of Neutrons
78  
99+
48  
99+
Number of Electrons
55  
99+
37  
99+
Radius of an Atom
  
  
Atomic Radius
265.00 pm  
2
248.00 pm  
3
Covalent Radius
244.00 pm  
2
220.00 pm  
4
Van der Waals Radius
343.00 pm  
2
303.00 pm  
4
Atomic Weight
132.91 amu  
99+
85.47 amu  
99+
Atomic Volume
71.07 cm3/mol  
1
55.90 cm3/mol  
3
Adjacent Atomic Numbers
  
  
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Tin
  
Gallium
  
Next Element
Barium
  
Strontium
  
Valence Electron Potential
8.62 (-eV)  
99+
9.47 (-eV)  
99+
Lattice Constant
614.10 pm  
5
558.50 pm  
11
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.87  
3
1.59  
28
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