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Atomic Structure of Polonium and Calcium


Atomic Structure of Calcium and Polonium


Atomic Properties

Atomic Number
84   
32
20   
99+

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

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

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

Atom
  
  

Number of Protons
84   
32
20   
99+

Number of Neutrons
125   
19
20   
99+

Number of Electrons
84   
32
20   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
197.00 pm   
6

Covalent Radius
140.00 pm   
99+
176.00 pm   
22

Van der Waals Radius
197.00 pm   
29
231.00 pm   
19

Atomic Weight
209.00 amu   
28
40.08 amu   
99+

Atomic Volume
22.23 cm3/mol   
13
29.90 cm3/mol   
7

Adjacent Atomic Numbers
  
  

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Francium
  
Scandium
  

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

Lattice Constant
335.90 pm   
99+
558.84 pm   
9

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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