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Atomic Structure of Polonium and Hafnium


Atomic Structure of Hafnium and Polonium


Atomic Properties

Atomic Number
84   
32
72   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Xe] 4f14 5d2 6s2   

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

Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
84   
32
72   
99+

Number of Neutrons
125   
19
106   
29

Number of Electrons
84   
32
72   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
159.00 pm   
28

Covalent Radius
140.00 pm   
99+
175.00 pm   
23

Van der Waals Radius
197.00 pm   
29
200.00 pm   
28

Atomic Weight
209.00 amu   
28
178.49 amu   
39

Atomic Volume
22.23 cm3/mol   
13
13.60 cm3/mol   
38

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Lutetium
  

Next Element
Francium
  
Tantalum
  

Valence Electron Potential
Not Available   
81.00 (-eV)   
16

Lattice Constant
335.90 pm   
99+
319.64 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.58   
12

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