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Atomic Structure of Barium and Lutetium

Barium
Lutetium
Atomic Structure of Lutetium and Barium


Atomic Properties
Atomic Number
56   
99+
71   
99+
Electron Configuration
[Xe] 6s2   
[Xe] 6s2 4f14 5d1   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
56   
99+
71   
99+
Number of Neutrons
81   
99+
104   
30
Number of Electrons
56   
99+
71   
99+
Radius of an Atom
  
  
Atomic Radius
222.00 pm   
4
174.00 pm   
20
Covalent Radius
215.00 pm   
5
187.00 pm   
20
Van der Waals Radius
268.00 pm   
6
221.00 pm   
22
Atomic Weight
137.33 amu   
99+
174.97 amu   
40
Atomic Volume
39.24 cm3/mol   
5
17.78 cm3/mol   
30
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Ytterbium
  
Next Element
Lanthanum
  
Hafnium
  
Valence Electron Potential
21.30 (-eV)   
99+
50.90 (-eV)   
26
Lattice Constant
502.80 pm   
15
350.31 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
10
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