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Atomic Structure of Technetium and Fermium


Atomic Structure of Fermium and Technetium


Atomic

Atomic Number
43  
99+
100  
18

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

Crystal Structure
Hexagonal Close Packed (HCP)  
Not Known  

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

Atom
  
  

Number of Protons
43  
99+
100  
18

Number of Neutrons
55  
99+
157  
8

Number of Electrons
43  
99+
100  
18

Radius of an Atom
  
  

Atomic Radius
136.00 pm  
99+
180.00 pm  
16

Covalent Radius
147.00 pm  
39
180.00 pm  
23

Van der Waals Radius
200.00 pm  
35
245.00 pm  
13

Atomic Weight
98.00 amu  
99+
257.00 amu  
15

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

Adjacent Atomic Numbers
  
  

Previous Element

Next Element
Ruthenium
  

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

Lattice Constant
273.50 pm  
99+
350.00 pm  
99+

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.60  
21
1.63  
13

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