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Atomic Structure of Holmium and Hafnium

Holmium
Hafnium
Atomic Structure of Hafnium and Holmium


Atomic Properties
Atomic Number
67   
99+
72   
99+
Electron Configuration
[Xe] 4f11 6s2   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
67   
99+
72   
99+
Number of Neutrons
98   
34
106   
29
Number of Electrons
67   
99+
72   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
159.00 pm   
28
Covalent Radius
192.00 pm   
17
175.00 pm   
23
Van der Waals Radius
216.00 pm   
24
200.00 pm   
28
Atomic Weight
164.93 amu   
99+
178.49 amu   
39
Atomic Volume
18.70 cm3/mol   
24
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Dysprosium
  
Lutetium
  
Next Element
Erbium
  
Tantalum
  
Valence Electron Potential
47.90 (-eV)   
31
81.00 (-eV)   
16
Lattice Constant
357.73 pm   
38
319.64 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
17
1.58   
12
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