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Atomic Structure of Technetium and Thulium


Atomic Structure of Thulium and Technetium


Atomic Properties

Atomic Number
43   
99+
69   
99+

Electron Configuration
[Kr] 4d5 5s2   
[Xe] 4f13 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
HCP-Crystal-Structure-of-Thulium.jpg#100   

Atom
  
  

Number of Protons
43   
99+
69   
99+

Number of Neutrons
55   
99+
100   
32

Number of Electrons
43   
99+
69   
99+

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
176.00 pm   
18

Covalent Radius
147.00 pm   
37
160.00 pm   
30

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
98.00 amu   
99+
168.93 amu   
99+

Atomic Volume
8.50 cm3/mol   
99+
18.10 cm3/mol   
28

Adjacent Atomic Numbers
  
  

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Next Element
Ruthenium
  
Ytterbium
  

Valence Electron Potential
180.00 (-eV)   
3
49.70 (-eV)   
28

Lattice Constant
273.50 pm   
99+
353.75 pm   
40

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.60   
5
1.57   
17

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