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Atomic Structure of Praseodymium and Terbium

Praseodymium
Terbium
Atomic Structure of Terbium and Praseodymium


Atomic Properties
Atomic Number
59   
99+
65   
99+
Electron Configuration
[Xe] 4f3 6s2   
[Xe] 4f9 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
59   
99+
65   
99+
Number of Neutrons
82   
99+
94   
36
Number of Electrons
59   
99+
65   
99+
Radius of an Atom
  
  
Atomic Radius
182.00 pm   
11
177.00 pm   
17
Covalent Radius
203.00 pm   
9
194.00 pm   
16
Van der Waals Radius
239.00 pm   
14
221.00 pm   
22
Atomic Weight
140.91 amu   
99+
158.93 amu   
99+
Atomic Volume
20.80 cm3/mol   
15
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Cerium
  
Gadolinium
  
Next Element
Neodymium
  
Dysprosium
  
Valence Electron Potential
42.64 (-eV)   
99+
46.80 (-eV)   
33
Lattice Constant
367.25 pm   
29
360.10 pm   
36
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.61   
4
1.58   
13
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