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Atomic Structure of Praseodymium and Osmium

Praseodymium
Osmium
Atomic Structure of Osmium and Praseodymium


Atomic Properties
Atomic Number
59   
99+
76   
40
Electron Configuration
[Xe] 4f3 6s2   
[Xe] 4f14 5d6 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
59   
99+
76   
39
Number of Neutrons
82   
99+
114   
25
Number of Electrons
59   
99+
76   
39
Radius of an Atom
  
  
Atomic Radius
182.00 pm   
11
133.80 pm   
99+
Covalent Radius
203.00 pm   
9
Not Available   
Van der Waals Radius
239.00 pm   
14
216.00 pm   
24
Atomic Weight
140.91 amu   
99+
190.23 amu   
35
Atomic Volume
20.80 cm3/mol   
15
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Cerium
  
Rhenium
  
Next Element
Neodymium
  
Iridium
  
Valence Electron Potential
42.64 (-eV)   
99+
91.40 (-eV)   
12
Lattice Constant
367.25 pm   
29
273.44 pm   
99+
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   
14
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