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Atomic Structure of Cerium and Polonium


Atomic Structure of Polonium and Cerium


Atomic Properties

Atomic Number
58   
99+
84   
32

Electron Configuration
[Xe] 4f1 5d1 6s2   
[Xe] 4f14 5d10 6s2 6p4   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Monoclinic (MON)   

Crystal Lattice
DHCP-Crystal-Structure-of-Cerium.jpg#100   
MON-Crystal-Structure-of-Polonium.jpg#100   

Atom
  
  

Number of Protons
58   
99+
84   
32

Number of Neutrons
82   
99+
125   
19

Number of Electrons
58   
99+
84   
32

Radius of an Atom
  
  

Atomic Radius
181.80 pm   
12
168.00 pm   
23

Covalent Radius
204.00 pm   
8
140.00 pm   
99+

Van der Waals Radius
235.00 pm   
17
197.00 pm   
29

Atomic Weight
140.12 amu   
99+
209.00 amu   
28

Atomic Volume
20.67 cm3/mol   
17
22.23 cm3/mol   
13

Adjacent Atomic Numbers
  
  

Previous Element
Lanthanum
  
Bismuth
  

Next Element
Francium
  

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

Lattice Constant
362.00 pm   
34
335.90 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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