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Atomic Structure of Neodymium and Thorium

Neodymium
Thorium
Atomic Structure of Thorium and Neodymium


Atomic Properties
Atomic Number
60   
99+
90   
28
Electron Configuration
[Xe] 4f4 6s2   
[Rn] 6d2 7s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
60   
99+
90   
28
Number of Neutrons
84   
40
142   
15
Number of Electrons
60   
99+
90   
28
Radius of an Atom
  
  
Atomic Radius
181.00 pm   
13
179.80 pm   
15
Covalent Radius
201.00 pm   
10
206.00 pm   
7
Van der Waals Radius
229.00 pm   
20
237.00 pm   
15
Atomic Weight
144.24 amu   
99+
232.04 amu   
23
Atomic Volume
20.60 cm3/mol   
18
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Praseodymium
  
Actinium
  
Next Element
Promethium
  
Protactinium
  
Valence Electron Potential
43.40 (-eV)   
99+
59.30 (-eV)   
23
Lattice Constant
365.80 pm   
30
508.42 pm   
14
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.61   
4
Not Available   
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