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Atomic Structure of Fermium and 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
Mercury
  

Next Element
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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