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Atomic Structure of Fermium and Thallium

Fermium
Thallium
Atomic Structure of Thallium and Fermium


Atomic Properties
Atomic Number
100   
18
81   
35
Electron Configuration
[Rn] 5f12 7s2   
[Xe] 4f14 5d10 6s2 6p1   
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
81   
35
Number of Neutrons
157   
7
123   
20
Number of Electrons
100   
18
81   
35
Radius of an Atom
  
  
Atomic Radius
Not Available   
170.00 pm   
22
Covalent Radius
Not Available   
145.00 pm   
39
Van der Waals Radius
245.00 pm   
9
196.00 pm   
30
Atomic Weight
257.00 amu   
15
204.38 amu   
31
Atomic Volume
Not Available   
17.20 cm3/mol   
31
Adjacent Atomic Numbers
  
  
Previous Element
Einsteinium
  
Mercury
  
Next Element
Mendelevium
  
Lead
  
Valence Electron Potential
Not Available   
9.60 (-eV)   
99+
Lattice Constant
Not Available   
345.66 pm   
99+
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.60   
6
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