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Atomic Structure of Iridium and Uranium


Atomic Structure of Uranium and Iridium


Atomic Properties

Atomic Number
77   
39
92   
26

Electron Configuration
[Xe] 4f14 5d7 6s2   
[Rn] 5f3 6d1 7s2   

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

Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100   
ORTH-Crystal-Structure-of-Uranium.jpg#100   

Atom
  
  

Number of Protons
74   
99+
92   
26

Number of Neutrons
110   
27
146   
13

Number of Electrons
74   
99+
92   
26

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
156.00 pm   
29

Covalent Radius
141.00 pm   
99+
196.00 pm   
14

Van der Waals Radius
202.00 pm   
27
186.00 pm   
33

Atomic Weight
192.22 amu   
34
238.03 amu   
21

Atomic Volume
9.53 cm3/mol   
99+
12.59 cm3/mol   
40

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  

Next Element
Platinum
  
Neptunium
  

Valence Electron Potential
140.00 (-eV)   
5
170.00 (-eV)   
4

Lattice Constant
383.90 pm   
26
295.08 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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