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Atomic Structure of Calcium and Polonium

Calcium
Polonium
Atomic Structure of Polonium and Calcium


Atomic Properties
Atomic Number
20   
99+
84   
32
Electron Configuration
[Ar] 4s2   
[Xe] 4f14 5d10 6s2 6p4   
Crystal Structure
Face Centered Cubic (FCC)   
Monoclinic (MON)   
Crystal Lattice
FCC-Crystal-Structure-of-Calcium.jpg#100   
MON-Crystal-Structure-of-Polonium.jpg#100   
Atom
  
  
Number of Protons
20   
99+
84   
32
Number of Neutrons
20   
99+
125   
19
Number of Electrons
20   
99+
84   
32
Radius of an Atom
  
  
Atomic Radius
197.00 pm   
6
168.00 pm   
23
Covalent Radius
176.00 pm   
22
140.00 pm   
99+
Van der Waals Radius
231.00 pm   
19
197.00 pm   
29
Atomic Weight
40.08 amu   
99+
209.00 amu   
28
Atomic Volume
29.90 cm3/mol   
7
22.23 cm3/mol   
13
Adjacent Atomic Numbers
  
  
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Potassium
  
Bismuth
  
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Scandium
  
Francium
  
Valence Electron Potential
29.00 (-eV)   
99+
Not Available   
Lattice Constant
558.84 pm   
9
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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