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Atomic Structure of Hafnium and Ruthenium

Hafnium
Ruthenium
Atomic Structure of Ruthenium and Hafnium


Atomic Properties
Atomic Number
72   
99+
44   
99+
Electron Configuration
[Xe] 4f14 5d2 6s2   
[Kr] 4d7 5s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
rystal-Structure-of-Ruthenium.jpg#100   
Atom
  
  
Number of Protons
72   
99+
44   
99+
Number of Neutrons
106   
29
57   
99+
Number of Electrons
72   
99+
44   
99+
Radius of an Atom
  
  
Atomic Radius
159.00 pm   
28
134.00 pm   
99+
Covalent Radius
175.00 pm   
23
146.00 pm   
38
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Atomic Weight
178.49 amu   
39
101.07 amu   
99+
Atomic Volume
13.60 cm3/mol   
38
8.30 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Lutetium
  
Technetium
  
Next Element
Tantalum
  
Rhodium
  
Valence Electron Potential
81.00 (-eV)   
16
64.00 (-eV)   
22
Lattice Constant
319.64 pm   
99+
270.59 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.58   
12
1.58   
11
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