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Atomic Structure of Polonium and Iridium


Atomic Structure of Iridium and Polonium


Atomic Properties

Atomic Number
84   
32
77   
39

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Xe] 4f14 5d7 6s2   

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

Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   

Atom
  
  

Number of Protons
84   
32
74   
99+

Number of Neutrons
125   
19
110   
27

Number of Electrons
84   
32
74   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
136.00 pm   
99+

Covalent Radius
140.00 pm   
99+
141.00 pm   
99+

Van der Waals Radius
197.00 pm   
29
202.00 pm   
27

Atomic Weight
209.00 amu   
28
192.22 amu   
34

Atomic Volume
22.23 cm3/mol   
13
9.53 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Osmium
  

Next Element
Francium
  
Platinum
  

Valence Electron Potential
Not Available   
140.00 (-eV)   
5

Lattice Constant
335.90 pm   
99+
383.90 pm   
26

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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