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Atomic Structure of Polonium and Technetium


Atomic Structure of Technetium and Polonium


Atomic Properties

Atomic Number
84   
32
43   
99+

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

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

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

Atom
  
  

Number of Protons
84   
32
43   
99+

Number of Neutrons
125   
19
55   
99+

Number of Electrons
84   
32
43   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
136.00 pm   
99+

Covalent Radius
140.00 pm   
99+
147.00 pm   
37

Van der Waals Radius
197.00 pm   
29
200.00 pm   
28

Atomic Weight
209.00 amu   
28
98.00 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Molybdenum
  

Next Element
Francium
  
Ruthenium
  

Valence Electron Potential
Not Available   
180.00 (-eV)   
3

Lattice Constant
335.90 pm   
99+
273.50 pm   
99+

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.60   
5

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