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Atomic Structure of Hafnium and Gold

Hafnium
Gold
Atomic Structure of Gold and Hafnium


Atomic Properties
Atomic Number
72   
99+
79   
37
Electron Configuration
[Xe] 4f14 5d2 6s2   
[Xe] 4f14 5d10 6s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Gold.jpg#100   
Atom
  
  
Number of Protons
72   
99+
79   
37
Number of Neutrons
106   
29
118   
23
Number of Electrons
72   
99+
79   
37
Radius of an Atom
  
  
Atomic Radius
159.00 pm   
28
151.00 pm   
32
Covalent Radius
175.00 pm   
23
144.00 pm   
40
Van der Waals Radius
200.00 pm   
28
166.00 pm   
39
Atomic Weight
178.49 amu   
39
196.97 amu   
33
Atomic Volume
13.60 cm3/mol   
38
10.20 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Lutetium
  
Platinum
  
Next Element
Tantalum
  
Mercury
  
Valence Electron Potential
81.00 (-eV)   
16
43.40 (-eV)   
99+
Lattice Constant
319.64 pm   
99+
407.82 pm   
21
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.58   
12
1.61   
4
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