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Atomic Structure of Fermium and Technetium


Atomic Structure of Technetium and Fermium


Atomic

Atomic Number
100  
18
43  
99+

Electron Configuration
[Rn] 5f12 7s2  
[Kr] 4d5 5s2  

Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  

Crystal Lattice
Unknown-Crystal-Structure-of-Fermium.jpg#100  
HCP-Crystal-Structure-of-Technetium.jpg#100  

Atom
  
  

Number of Protons
100  
18
43  
99+

Number of Neutrons
157  
8
55  
99+

Number of Electrons
100  
18
43  
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
136.00 pm  
99+

Covalent Radius
180.00 pm  
23
147.00 pm  
39

Van der Waals Radius
245.00 pm  
13
200.00 pm  
35

Atomic Weight
257.00 amu  
15
98.00 amu  
99+

Atomic Volume
18.00 cm3/mol  
99+
8.50 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element

Next Element
Ruthenium
  

Valence Electron Potential
0.00 (-eV)  
99+
180.00 (-eV)  
3

Lattice Constant
350.00 pm  
99+
273.50 pm  
99+

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.63  
13
1.60  
21

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