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Atomic Structure of Zirconium and Technetium

Zirconium
Technetium
Atomic Structure of Technetium and Zirconium


Atomic Properties
Atomic Number
40   
99+
43   
99+
Electron Configuration
[Kr] 4d2 5s2   
[Kr] 4d5 5s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Zirconium.jpg#100   
HCP-Crystal-Structure-of-Technetium.jpg#100   
Atom
  
  
Number of Protons
40   
99+
43   
99+
Number of Neutrons
51   
99+
55   
99+
Number of Electrons
40   
99+
43   
99+
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
136.00 pm   
99+
Covalent Radius
175.00 pm   
23
147.00 pm   
37
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Atomic Weight
91.22 amu   
99+
98.00 amu   
99+
Atomic Volume
14.10 cm3/mol   
36
8.50 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Yttrium
  
Molybdenum
  
Next Element
Niobium
  
Ruthenium
  
Valence Electron Potential
80.00 (-eV)   
18
180.00 (-eV)   
3
Lattice Constant
323.20 pm   
99+
273.50 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.59   
8
1.60   
5
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