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Atomic Structure of Lutetium and Thorium

Lutetium
Thorium
Atomic Structure of Thorium and Lutetium


Atomic Properties
Atomic Number
71   
99+
90   
28
Electron Configuration
[Xe] 6s2 4f14 5d1   
[Rn] 6d2 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
71   
99+
90   
28
Number of Neutrons
104   
30
142   
15
Number of Electrons
71   
99+
90   
28
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
179.80 pm   
15
Covalent Radius
187.00 pm   
20
206.00 pm   
7
Van der Waals Radius
221.00 pm   
22
237.00 pm   
15
Atomic Weight
174.97 amu   
40
232.04 amu   
23
Atomic Volume
17.78 cm3/mol   
30
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Actinium
  
Next Element
Hafnium
  
Protactinium
  
Valence Electron Potential
50.90 (-eV)   
26
59.30 (-eV)   
23
Lattice Constant
350.31 pm   
99+
508.42 pm   
14
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
10
Not Available   
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