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Atomic Structure of Uranium and Iridium

Uranium
Iridium
Atomic Structure of Iridium and Uranium


Atomic Properties
Atomic Number
92   
26
77   
39
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Xe] 4f14 5d7 6s2   
Crystal Structure
Orthorhombic (ORTH)   
Face Centered Cubic (FCC)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   
Atom
  
  
Number of Protons
92   
26
74   
99+
Number of Neutrons
146   
13
110   
27
Number of Electrons
92   
26
74   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
136.00 pm   
99+
Covalent Radius
196.00 pm   
14
141.00 pm   
99+
Van der Waals Radius
186.00 pm   
33
202.00 pm   
27
Atomic Weight
238.03 amu   
21
192.22 amu   
34
Atomic Volume
12.59 cm3/mol   
40
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Osmium
  
Next Element
Neptunium
  
Platinum
  
Valence Electron Potential
170.00 (-eV)   
4
140.00 (-eV)   
5
Lattice Constant
295.08 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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