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Atomic Structure of Iridium and Ruthenium

Iridium
Ruthenium
Atomic Structure of Ruthenium and Iridium


Atomic Properties
Atomic Number
77   
39
44   
99+
Electron Configuration
[Xe] 4f14 5d7 6s2   
[Kr] 4d7 5s1   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100   
rystal-Structure-of-Ruthenium.jpg#100   
Atom
  
  
Number of Protons
74   
99+
44   
99+
Number of Neutrons
110   
27
57   
99+
Number of Electrons
74   
99+
44   
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
134.00 pm   
99+
Covalent Radius
141.00 pm   
99+
146.00 pm   
38
Van der Waals Radius
202.00 pm   
27
200.00 pm   
28
Atomic Weight
192.22 amu   
34
101.07 amu   
99+
Atomic Volume
9.53 cm3/mol   
99+
8.30 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Osmium
  
Technetium
  
Next Element
Platinum
  
Rhodium
  
Valence Electron Potential
140.00 (-eV)   
5
64.00 (-eV)   
22
Lattice Constant
383.90 pm   
26
270.59 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
11
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