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Atomic Structure of Thorium and Cerium

Thorium
Cerium
Atomic Structure of Cerium and Thorium


Atomic Properties
Atomic Number
90   
28
58   
99+
Electron Configuration
[Rn] 6d2 7s2   
[Xe] 4f1 5d1 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
DHCP-Crystal-Structure-of-Cerium.jpg#100   
Atom
  
  
Number of Protons
90   
28
58   
99+
Number of Neutrons
142   
15
82   
99+
Number of Electrons
90   
28
58   
99+
Radius of an Atom
  
  
Atomic Radius
179.80 pm   
15
181.80 pm   
12
Covalent Radius
206.00 pm   
7
204.00 pm   
8
Van der Waals Radius
237.00 pm   
15
235.00 pm   
17
Atomic Weight
232.04 amu   
23
140.12 amu   
99+
Atomic Volume
19.90 cm3/mol   
20
20.67 cm3/mol   
17
Adjacent Atomic Numbers
  
  
Previous Element
Actinium
  
Lanthanum
  
Next Element
Protactinium
  
Praseodymium
  
Valence Electron Potential
59.30 (-eV)   
23
41.78 (-eV)   
99+
Lattice Constant
508.42 pm   
14
362.00 pm   
34
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
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