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Atomic Structure of Iridium and Polonium


Atomic Structure of Polonium and Iridium


Atomic Properties

Atomic Number
77   
39
84   
32

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

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

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

Atom
  
  

Number of Protons
74   
99+
84   
32

Number of Neutrons
110   
27
125   
19

Number of Electrons
74   
99+
84   
32

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
168.00 pm   
23

Covalent Radius
141.00 pm   
99+
140.00 pm   
99+

Van der Waals Radius
202.00 pm   
27
197.00 pm   
29

Atomic Weight
192.22 amu   
34
209.00 amu   
28

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

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  
Bismuth
  

Next Element
Platinum
  
Francium
  

Valence Electron Potential
140.00 (-eV)   
5
Not Available   

Lattice Constant
383.90 pm   
26
335.90 pm   
99+

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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