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Atomic Structure of Uranium and Hafnium

Uranium
Hafnium
Atomic Structure of Hafnium and Uranium


Atomic Properties
Atomic Number
92   
26
72   
99+
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Orthorhombic (ORTH)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
92   
26
72   
99+
Number of Neutrons
146   
13
106   
29
Number of Electrons
92   
26
72   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
159.00 pm   
28
Covalent Radius
196.00 pm   
14
175.00 pm   
23
Van der Waals Radius
186.00 pm   
33
200.00 pm   
28
Atomic Weight
238.03 amu   
21
178.49 amu   
39
Atomic Volume
12.59 cm3/mol   
40
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Lutetium
  
Next Element
Neptunium
  
Tantalum
  
Valence Electron Potential
170.00 (-eV)   
4
81.00 (-eV)   
16
Lattice Constant
295.08 pm   
99+
319.64 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
12
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