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Atomic Structure of Europium and Barium

Europium
Barium
Atomic Structure of Barium and Europium


Atomic Properties
Atomic Number
63   
99+
56   
99+
Electron Configuration
[Xe] 4f7 6s2   
[Xe] 6s2   
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
63   
99+
56   
99+
Number of Neutrons
89   
38
81   
99+
Number of Electrons
63   
99+
56   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
222.00 pm   
4
Covalent Radius
198.00 pm   
13
215.00 pm   
5
Van der Waals Radius
233.00 pm   
18
268.00 pm   
6
Atomic Weight
151.96 amu   
99+
137.33 amu   
99+
Atomic Volume
28.90 cm3/mol   
8
39.24 cm3/mol   
5
Adjacent Atomic Numbers
  
  
Previous Element
Samarium
  
Cesium
  
Next Element
Gadolinium
  
Lanthanum
  
Valence Electron Potential
45.60 (-eV)   
35
21.30 (-eV)   
99+
Lattice Constant
458.10 pm   
17
502.80 pm   
15
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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