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Atomic Structure of Technetium and Polonium


Atomic Structure of Polonium and Technetium


Atomic

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  
20

Number of Electrons
43  
99+
84  
32

Radius of an Atom
  
  

Atomic Radius
136.00 pm  
99+
168.00 pm  
25

Covalent Radius
147.00 pm  
39
140.00 pm  
99+

Van der Waals Radius
200.00 pm  
35
197.00 pm  
36

Atomic Weight
98.00 amu  
99+
209.00 amu  
28

Atomic Volume
8.50 cm3/mol  
99+
22.23 cm3/mol  
22

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  

Next Element
Ruthenium
  
Francium
  

Valence Electron Potential
180.00 (-eV)  
3
9.30 (-eV)  
99+

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  
21
1.46  
99+

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