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Atomic Structure of Fermium and Hafnium


Atomic Structure of Hafnium and Fermium


Atomic Properties

Atomic Number
100   
18
72   
99+

Electron Configuration
[Rn] 5f12 7s2   
[Xe] 4f14 5d2 6s2   

Crystal Structure
Not Known   
Hexagonal Close Packed (HCP)   

Crystal Lattice
Unknown-Crystal-Structure-of-Fermium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
100   
18
72   
99+

Number of Neutrons
157   
7
106   
29

Number of Electrons
100   
18
72   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
159.00 pm   
28

Covalent Radius
Not Available   
175.00 pm   
23

Van der Waals Radius
245.00 pm   
9
200.00 pm   
28

Atomic Weight
257.00 amu   
15
178.49 amu   
39

Atomic Volume
Not Available   
13.60 cm3/mol   
38

Adjacent Atomic Numbers
  
  

Previous Element
Lutetium
  

Next Element
Tantalum
  

Valence Electron Potential
Not Available   
81.00 (-eV)   
16

Lattice Constant
Not Available   
319.64 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.58   
12

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