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Atomic Structure of Yttrium and Praseodymium

Yttrium
Praseodymium
Atomic Structure of Praseodymium and Yttrium


Atomic Properties
Atomic Number
39   
99+
59   
99+
Electron Configuration
[Kr] 4d1 5s2   
[Xe] 4f3 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
Atom
  
  
Number of Protons
39   
99+
59   
99+
Number of Neutrons
50   
99+
82   
99+
Number of Electrons
39   
99+
59   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
182.00 pm   
11
Covalent Radius
190.00 pm   
18
203.00 pm   
9
Van der Waals Radius
200.00 pm   
28
239.00 pm   
14
Atomic Weight
88.91 amu   
99+
140.91 amu   
99+
Atomic Volume
19.80 cm3/mol   
21
20.80 cm3/mol   
15
Adjacent Atomic Numbers
  
  
Previous Element
Strontium
  
Cerium
  
Next Element
Zirconium
  
Neodymium
  
Valence Electron Potential
48.00 (-eV)   
30
42.64 (-eV)   
99+
Lattice Constant
364.74 pm   
31
367.25 pm   
29
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
16
1.61   
4
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