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Atomic Structure of Technetium and Polonium


Atomic Structure of Polonium and Technetium


Atomic Properties

Atomic Number
43   
99+
84   
32

Electron Configuration
[Kr] 4d5 5s2   
[Xe] 4f14 5d10 6s2 6p4   

Crystal Structure
Hexagonal Close Packed (HCP)   
Monoclinic (MON)   

Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
MON-Crystal-Structure-of-Polonium.jpg#100   

Atom
  
  

Number of Protons
43   
99+
84   
32

Number of Neutrons
55   
99+
125   
19

Number of Electrons
43   
99+
84   
32

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
168.00 pm   
23

Covalent Radius
147.00 pm   
37
140.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
197.00 pm   
29

Atomic Weight
98.00 amu   
99+
209.00 amu   
28

Atomic Volume
8.50 cm3/mol   
99+
22.23 cm3/mol   
13

Adjacent Atomic Numbers
  
  

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Ruthenium
  
Francium
  

Valence Electron Potential
180.00 (-eV)   
3
Not Available   

Lattice Constant
273.50 pm   
99+
335.90 pm   
99+

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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