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Atomic Structure of Rhenium and Iridium

Rhenium
Iridium
Atomic Structure of Iridium and Rhenium


Atomic Properties
Atomic Number
75   
99+
77   
39
Electron Configuration
[Xe] 4f14 5d5 6s2   
[Xe] 4f14 5d7 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   
Atom
  
  
Number of Protons
75   
40
74   
99+
Number of Neutrons
111   
26
110   
27
Number of Electrons
75   
40
74   
99+
Radius of an Atom
  
  
Atomic Radius
137.00 pm   
40
136.00 pm   
99+
Covalent Radius
151.00 pm   
34
141.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
202.00 pm   
27
Atomic Weight
186.21 amu   
36
192.22 amu   
34
Atomic Volume
8.85 cm3/mol   
99+
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Osmium
  
Next Element
Osmium
  
Platinum
  
Valence Electron Potential
180.00 (-eV)   
3
140.00 (-eV)   
5
Lattice Constant
276.10 pm   
99+
383.90 pm   
26
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.62   
3
Not Available   
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