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Atomic Structure of Polonium and Actinium


Atomic Structure of Actinium and Polonium


Atomic Properties

Atomic Number
84   
32
89   
29

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Rn] 6d1 7s2   

Crystal Structure
Monoclinic (MON)   
Face Centered Cubic (FCC)   

Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
FCC-Crystal-Structure-of-Actinium.jpg#100   

Atom
  
  

Number of Protons
84   
32
89   
29

Number of Neutrons
125   
19
138   
16

Number of Electrons
84   
32
89   
29

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
195.00 pm   
7

Covalent Radius
140.00 pm   
99+
Not Available   

Van der Waals Radius
197.00 pm   
29
Not Available   

Atomic Weight
209.00 amu   
28
227.00 amu   
25

Atomic Volume
22.23 cm3/mol   
13
22.54 cm3/mol   
11

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Radium
  

Next Element
Francium
  
Thorium
  

Valence Electron Potential
Not Available   
38.60 (-eV)   
99+

Lattice Constant
335.90 pm   
99+
567.00 pm   
8

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

Lattice C/A Ratio
Not Available   
Not Available   

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