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Atomic Structure of Technetium and Francium

Technetium
Francium
Atomic Structure of Francium and Technetium


Atomic Properties
Atomic Number
43   
99+
87   
31
Electron Configuration
[Kr] 4d5 5s2   
[Rn] 7s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
43   
99+
87   
31
Number of Neutrons
55   
99+
136   
17
Number of Electrons
43   
99+
87   
31
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
Not Available   
Covalent Radius
147.00 pm   
37
260.00 pm   
1
Van der Waals Radius
200.00 pm   
28
348.00 pm   
1
Atomic Weight
98.00 amu   
99+
223.00 amu   
27
Atomic Volume
8.50 cm3/mol   
99+
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Molybdenum
  
Polonium
  
Next Element
Ruthenium
  
Radium
  
Valence Electron Potential
180.00 (-eV)   
3
8.00 (-eV)   
99+
Lattice Constant
273.50 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.60   
5
Not Available   
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