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Atomic Structure of Barium and Terbium

Barium
Terbium
Atomic Structure of Terbium and Barium


Atomic Properties
Atomic Number
56   
99+
65   
99+
Electron Configuration
[Xe] 6s2   
[Xe] 4f9 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
56   
99+
65   
99+
Number of Neutrons
81   
99+
94   
36
Number of Electrons
56   
99+
65   
99+
Radius of an Atom
  
  
Atomic Radius
222.00 pm   
4
177.00 pm   
17
Covalent Radius
215.00 pm   
5
194.00 pm   
16
Van der Waals Radius
268.00 pm   
6
221.00 pm   
22
Atomic Weight
137.33 amu   
99+
158.93 amu   
99+
Atomic Volume
39.24 cm3/mol   
5
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Gadolinium
  
Next Element
Lanthanum
  
Dysprosium
  
Valence Electron Potential
21.30 (-eV)   
99+
46.80 (-eV)   
33
Lattice Constant
502.80 pm   
15
360.10 pm   
36
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
13
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