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Atomic Structure of Iridium and Lead


Atomic Structure of Lead and Iridium


Atomic Properties

Atomic Number
77   
39
82   
34

Electron Configuration
[Xe] 4f14 5d7 6s2   
[Xe] 4f14 5d10 6s2 6p2   

Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   

Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100   
FCC-Crystal-Structure-of-Lead.jpg#100   

Atom
  
  

Number of Protons
74   
99+
82   
34

Number of Neutrons
110   
27
125   
19

Number of Electrons
74   
99+
82   
34

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
175.00 pm   
19

Covalent Radius
141.00 pm   
99+
146.00 pm   
38

Van der Waals Radius
202.00 pm   
27
202.00 pm   
27

Atomic Weight
192.22 amu   
34
207.20 amu   
30

Atomic Volume
9.53 cm3/mol   
99+
18.17 cm3/mol   
27

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  
Thallium
  

Next Element
Platinum
  
Bismuth
  

Valence Electron Potential
140.00 (-eV)   
5
24.20 (-eV)   
99+

Lattice Constant
383.90 pm   
26
495.08 pm   
16

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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