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Atomic Structure of Fermium and Terbium

Fermium
Terbium
Atomic Structure of Terbium and Fermium


Atomic Properties
Atomic Number
100   
18
65   
99+
Electron Configuration
[Rn] 5f12 7s2   
[Xe] 4f9 6s2   
Crystal Structure
Not Known   
Hexagonal Close Packed (HCP)   
Crystal Lattice
Unknown-Crystal-Structure-of-Fermium.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
100   
18
65   
99+
Number of Neutrons
157   
7
94   
36
Number of Electrons
100   
18
65   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
177.00 pm   
17
Covalent Radius
Not Available   
194.00 pm   
16
Van der Waals Radius
245.00 pm   
9
221.00 pm   
22
Atomic Weight
257.00 amu   
15
158.93 amu   
99+
Atomic Volume
Not Available   
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Einsteinium
  
Gadolinium
  
Next Element
Mendelevium
  
Dysprosium
  
Valence Electron Potential
Not Available   
46.80 (-eV)   
33
Lattice Constant
Not Available   
360.10 pm   
36
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
13
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