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Atomic Structure of Francium and Iridium

Francium
Iridium
Atomic Structure of Iridium and Francium


Atomic Properties
Atomic Number
87   
31
77   
39
Electron Configuration
[Rn] 7s1   
[Xe] 4f14 5d7 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   
Atom
  
  
Number of Protons
87   
31
74   
99+
Number of Neutrons
136   
17
110   
27
Number of Electrons
87   
31
74   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
136.00 pm   
99+
Covalent Radius
260.00 pm   
1
141.00 pm   
99+
Van der Waals Radius
348.00 pm   
1
202.00 pm   
27
Atomic Weight
223.00 amu   
27
192.22 amu   
34
Atomic Volume
Not Available   
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Polonium
  
Osmium
  
Next Element
Radium
  
Platinum
  
Valence Electron Potential
8.00 (-eV)   
99+
140.00 (-eV)   
5
Lattice Constant
Not Available   
383.90 pm   
26
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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