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Atomic Structure of Barium and 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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