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Atomic Structure of Hafnium and Molybdenum


Atomic Structure of Molybdenum and Hafnium


Atomic Properties

Atomic Number
72   
99+
42   
99+

Electron Configuration
[Xe] 4f14 5d2 6s2   
[Kr] 4d5 5s1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

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

Atom
  
  

Number of Protons
72   
99+
42   
99+

Number of Neutrons
106   
29
54   
99+

Number of Electrons
72   
99+
42   
99+

Radius of an Atom
  
  

Atomic Radius
159.00 pm   
28
139.00 pm   
39

Covalent Radius
175.00 pm   
23
154.00 pm   
32

Van der Waals Radius
200.00 pm   
28
200.00 pm   
28

Atomic Weight
178.49 amu   
39
95.95 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Tantalum
  
Technetium
  

Valence Electron Potential
81.00 (-eV)   
16
88.60 (-eV)   
13

Lattice Constant
319.64 pm   
99+
314.70 pm   
99+

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

Lattice C/A Ratio
1.58   
12
Not Available   

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