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Atomic Structure of Technetium and Iridium

Technetium
Iridium
Atomic Structure of Iridium and Technetium


Atomic Properties
Atomic Number
43   
99+
77   
39
Electron Configuration
[Kr] 4d5 5s2   
[Xe] 4f14 5d7 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   
Atom
  
  
Number of Protons
43   
99+
74   
99+
Number of Neutrons
55   
99+
110   
27
Number of Electrons
43   
99+
74   
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
136.00 pm   
99+
Covalent Radius
147.00 pm   
37
141.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
202.00 pm   
27
Atomic Weight
98.00 amu   
99+
192.22 amu   
34
Atomic Volume
8.50 cm3/mol   
99+
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Molybdenum
  
Osmium
  
Next Element
Ruthenium
  
Platinum
  
Valence Electron Potential
180.00 (-eV)   
3
140.00 (-eV)   
5
Lattice Constant
273.50 pm   
99+
383.90 pm   
26
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.60   
5
Not Available   
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