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Atomic Structure of Technetium and Lutetium

Technetium
Lutetium
Atomic Structure of Lutetium and Technetium


Atomic Properties
Atomic Number
43   
99+
71   
99+
Electron Configuration
[Kr] 4d5 5s2   
[Xe] 6s2 4f14 5d1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
43   
99+
71   
99+
Number of Neutrons
55   
99+
104   
30
Number of Electrons
43   
99+
71   
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
174.00 pm   
20
Covalent Radius
147.00 pm   
37
187.00 pm   
20
Van der Waals Radius
200.00 pm   
28
221.00 pm   
22
Atomic Weight
98.00 amu   
99+
174.97 amu   
40
Atomic Volume
8.50 cm3/mol   
99+
17.78 cm3/mol   
30
Adjacent Atomic Numbers
  
  
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Molybdenum
  
Ytterbium
  
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Ruthenium
  
Hafnium
  
Valence Electron Potential
180.00 (-eV)   
3
50.90 (-eV)   
26
Lattice Constant
273.50 pm   
99+
350.31 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.60   
5
1.59   
10
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