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Atomic Structure of Barium and Strontium

Barium
Strontium
Atomic Structure of Strontium and Barium


Atomic Properties
Atomic Number
56   
99+
38   
99+
Electron Configuration
[Xe] 6s2   
[Kr] 5s2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Strontium.jpg#100   
Atom
  
  
Number of Protons
56   
99+
38   
99+
Number of Neutrons
81   
99+
50   
99+
Number of Electrons
56   
99+
38   
99+
Radius of an Atom
  
  
Atomic Radius
222.00 pm   
4
215.00 pm   
5
Covalent Radius
215.00 pm   
5
195.00 pm   
15
Van der Waals Radius
268.00 pm   
6
249.00 pm   
7
Atomic Weight
137.33 amu   
99+
87.62 amu   
99+
Atomic Volume
39.24 cm3/mol   
5
33.70 cm3/mol   
6
Adjacent Atomic Numbers
  
  
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Cesium
  
Rubidium
  
Next Element
Lanthanum
  
Yttrium
  
Valence Electron Potential
21.30 (-eV)   
99+
25.70 (-eV)   
99+
Lattice Constant
502.80 pm   
15
608.49 pm   
6
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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