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Atomic Structure of Europium and Thorium

Europium
Thorium
Atomic Structure of Thorium and Europium


Atomic Properties
Atomic Number
63   
99+
90   
28
Electron Configuration
[Xe] 4f7 6s2   
[Rn] 6d2 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
63   
99+
90   
28
Number of Neutrons
89   
38
142   
15
Number of Electrons
63   
99+
90   
28
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
179.80 pm   
15
Covalent Radius
198.00 pm   
13
206.00 pm   
7
Van der Waals Radius
233.00 pm   
18
237.00 pm   
15
Atomic Weight
151.96 amu   
99+
232.04 amu   
23
Atomic Volume
28.90 cm3/mol   
8
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Samarium
  
Actinium
  
Next Element
Gadolinium
  
Protactinium
  
Valence Electron Potential
45.60 (-eV)   
35
59.30 (-eV)   
23
Lattice Constant
458.10 pm   
17
508.42 pm   
14
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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