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Atomic Structure of Terbium and Thorium

Terbium
Thorium
Atomic Structure of Thorium and Terbium


Atomic Properties
Atomic Number
65   
99+
90   
28
Electron Configuration
[Xe] 4f9 6s2   
[Rn] 6d2 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Terbium.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
65   
99+
90   
28
Number of Neutrons
94   
36
142   
15
Number of Electrons
65   
99+
90   
28
Radius of an Atom
  
  
Atomic Radius
177.00 pm   
17
179.80 pm   
15
Covalent Radius
194.00 pm   
16
206.00 pm   
7
Van der Waals Radius
221.00 pm   
22
237.00 pm   
15
Atomic Weight
158.93 amu   
99+
232.04 amu   
23
Atomic Volume
19.20 cm3/mol   
22
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Gadolinium
  
Actinium
  
Next Element
Dysprosium
  
Protactinium
  
Valence Electron Potential
46.80 (-eV)   
33
59.30 (-eV)   
23
Lattice Constant
360.10 pm   
36
508.42 pm   
14
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.58   
13
Not Available   
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