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Atomic Structure of Lutetium and Hafnium


Atomic Structure of Hafnium and Lutetium


Atomic Properties

Atomic Number
71   
99+
72   
99+

Electron Configuration
[Xe] 6s2 4f14 5d1   
[Xe] 4f14 5d2 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
71   
99+
72   
99+

Number of Neutrons
104   
30
106   
29

Number of Electrons
71   
99+
72   
99+

Radius of an Atom
  
  

Atomic Radius
174.00 pm   
20
159.00 pm   
28

Covalent Radius
187.00 pm   
20
175.00 pm   
23

Van der Waals Radius
221.00 pm   
22
200.00 pm   
28

Atomic Weight
174.97 amu   
40
178.49 amu   
39

Atomic Volume
17.78 cm3/mol   
30
13.60 cm3/mol   
38

Adjacent Atomic Numbers
  
  

Previous Element
Ytterbium
  
Lutetium
  

Next Element
Hafnium
  
Tantalum
  

Valence Electron Potential
50.90 (-eV)   
26
81.00 (-eV)   
16

Lattice Constant
350.31 pm   
99+
319.64 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.59   
10
1.58   
12

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