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Atomic Structure of Technetium and Gallium

Technetium
Gallium
Atomic Structure of Gallium and Technetium


Atomic Properties
Atomic Number
43   
99+
31   
99+
Electron Configuration
[Kr] 4d5 5s2   
[Ar] 3d10 4s2 4p1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Orthorhombic (ORTH)   
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
ORTH-Crystal-Structure-of-Gallium.jpg#100   
Atom
  
  
Number of Protons
43   
99+
31   
99+
Number of Neutrons
55   
99+
39   
99+
Number of Electrons
43   
99+
31   
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
135.00 pm   
99+
Covalent Radius
147.00 pm   
37
122.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
187.00 pm   
32
Atomic Weight
98.00 amu   
99+
69.72 amu   
99+
Atomic Volume
8.50 cm3/mol   
99+
11.80 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Molybdenum
  
Zinc
  
Next Element
Ruthenium
  
Rubidium
  
Valence Electron Potential
180.00 (-eV)   
3
69.70 (-eV)   
19
Lattice Constant
273.50 pm   
99+
451.97 pm   
18
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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