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Atomic Structure of Barium and Tantalum

Barium
Tantalum
Atomic Structure of Tantalum and Barium


Atomic Properties
Atomic Number
56   
99+
73   
99+
Electron Configuration
[Xe] 6s2   
[Xe] 4f14 5d3 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
56   
99+
73   
99+
Number of Neutrons
81   
99+
108   
28
Number of Electrons
56   
99+
73   
99+
Radius of an Atom
  
  
Atomic Radius
222.00 pm   
4
146.00 pm   
35
Covalent Radius
215.00 pm   
5
170.00 pm   
25
Van der Waals Radius
268.00 pm   
6
200.00 pm   
28
Atomic Weight
137.33 amu   
99+
180.95 amu   
38
Atomic Volume
39.24 cm3/mol   
5
10.90 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Hafnium
  
Next Element
Lanthanum
  
Tungsten
  
Valence Electron Potential
21.30 (-eV)   
99+
110.00 (-eV)   
7
Lattice Constant
502.80 pm   
15
330.13 pm   
99+
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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