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Atomic Structure of Fermium and Lutetium

Fermium
Lutetium
Atomic Structure of Lutetium and Fermium


Atomic Properties
Atomic Number
100   
18
71   
99+
Electron Configuration
[Rn] 5f12 7s2   
[Xe] 6s2 4f14 5d1   
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
71   
99+
Number of Neutrons
157   
7
104   
30
Number of Electrons
100   
18
71   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
174.00 pm   
20
Covalent Radius
Not Available   
187.00 pm   
20
Van der Waals Radius
245.00 pm   
9
221.00 pm   
22
Atomic Weight
257.00 amu   
15
174.97 amu   
40
Atomic Volume
Not Available   
17.78 cm3/mol   
30
Adjacent Atomic Numbers
  
  
Previous Element
Einsteinium
  
Ytterbium
  
Next Element
Mendelevium
  
Hafnium
  
Valence Electron Potential
Not Available   
50.90 (-eV)   
26
Lattice Constant
Not Available   
350.31 pm   
99+
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
10
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