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Atomic Structure of Platinum and Hafnium

Platinum
Hafnium
Atomic Structure of Hafnium and Platinum


Atomic Properties
Atomic Number
78   
38
72   
99+
Electron Configuration
[Xe] 4f14 5d9 6s1   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Platinum.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
78   
38
72   
99+
Number of Neutrons
117   
24
106   
29
Number of Electrons
78   
38
72   
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
159.00 pm   
28
Covalent Radius
136.00 pm   
99+
175.00 pm   
23
Van der Waals Radius
175.00 pm   
36
200.00 pm   
28
Atomic Weight
47.87 amu   
99+
178.49 amu   
39
Atomic Volume
9.09 cm3/mol   
99+
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Iridium
  
Lutetium
  
Next Element
Gold
  
Tantalum
  
Valence Electron Potential
392.42 (-eV)   
1
81.00 (-eV)   
16
Lattice Constant
392.42 pm   
24
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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