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Atomic Structure of Praseodymium and Neodymium

Praseodymium
Neodymium
Atomic Structure of Neodymium and Praseodymium


Atomic Properties
Atomic Number
59   
99+
60   
99+
Electron Configuration
[Xe] 4f3 6s2   
[Xe] 4f4 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
Atom
  
  
Number of Protons
59   
99+
60   
99+
Number of Neutrons
82   
99+
84   
40
Number of Electrons
59   
99+
60   
99+
Radius of an Atom
  
  
Atomic Radius
182.00 pm   
11
181.00 pm   
13
Covalent Radius
203.00 pm   
9
201.00 pm   
10
Van der Waals Radius
239.00 pm   
14
229.00 pm   
20
Atomic Weight
140.91 amu   
99+
144.24 amu   
99+
Atomic Volume
20.80 cm3/mol   
15
20.60 cm3/mol   
18
Adjacent Atomic Numbers
  
  
Previous Element
Cerium
  
Praseodymium
  
Next Element
Neodymium
  
Promethium
  
Valence Electron Potential
42.64 (-eV)   
99+
43.40 (-eV)   
99+
Lattice Constant
367.25 pm   
29
365.80 pm   
30
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.61   
4
1.61   
4
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Lanthanide Metals

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