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Atomic Structure of Hafnium and Uranium

Hafnium
Uranium
Atomic Structure of Uranium and Hafnium


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