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Atomic Structure of Cerium and Thorium

Cerium
Thorium
Atomic Structure of Thorium and Cerium


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