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Atomic Structure of Rhenium and Hafnium


Atomic Structure of Hafnium and Rhenium


Atomic Properties

Atomic Number
75   
99+
72   
99+

Electron Configuration
[Xe] 4f14 5d5 6s2   
[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
75   
40
72   
99+

Number of Neutrons
111   
26
106   
29

Number of Electrons
75   
40
72   
99+

Radius of an Atom
  
  

Atomic Radius
137.00 pm   
40
159.00 pm   
28

Covalent Radius
151.00 pm   
34
175.00 pm   
23

Van der Waals Radius
200.00 pm   
28
200.00 pm   
28

Atomic Weight
186.21 amu   
36
178.49 amu   
39

Atomic Volume
8.85 cm3/mol   
99+
13.60 cm3/mol   
38

Adjacent Atomic Numbers
  
  

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Tungsten
  
Lutetium
  

Next Element
Osmium
  
Tantalum
  

Valence Electron Potential
180.00 (-eV)   
3
81.00 (-eV)   
16

Lattice Constant
276.10 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
1.62   
3
1.58   
12

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