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Atomic Structure of Uranium and Iridium


Atomic Structure of Iridium and Uranium


Atomic

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  
14
110  
28

Number of Electrons
92  
26
74  
99+

Radius of an Atom
  
  

Atomic Radius
156.00 pm  
31
136.00 pm  
99+

Covalent Radius
196.00 pm  
14
141.00 pm  
99+

Van der Waals Radius
186.00 pm  
40
202.00 pm  
34

Atomic Weight
238.03 amu  
21
192.22 amu  
34

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

Adjacent Atomic Numbers
  
  

Previous Element
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  
29

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

Lattice C/A Ratio
1.02  
99+
1.58  
35

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