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Atomic Structure of Actinium and Polonium


Atomic Structure of Polonium and Actinium


Atomic Properties

Atomic Number
89   
29
84   
32

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

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

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

Atom
  
  

Number of Protons
89   
29
84   
32

Number of Neutrons
138   
16
125   
19

Number of Electrons
89   
29
84   
32

Radius of an Atom
  
  

Atomic Radius
195.00 pm   
7
168.00 pm   
23

Covalent Radius
Not Available   
140.00 pm   
99+

Van der Waals Radius
Not Available   
197.00 pm   
29

Atomic Weight
227.00 amu   
25
209.00 amu   
28

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

Adjacent Atomic Numbers
  
  

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Radium
  
Bismuth
  

Next Element
Thorium
  
Francium
  

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

Lattice Constant
567.00 pm   
8
335.90 pm   
99+

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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