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Atomic Structure of Polonium and Beryllium


Atomic Structure of Beryllium and Polonium


Atomic Properties

Atomic Number
84   
32
4   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[He] 2s2   

Crystal Structure
Monoclinic (MON)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
HCP-Crystal-Structure-of-Beryllium.jpg#100   

Atom
  
  

Number of Protons
84   
32
4   
99+

Number of Neutrons
125   
19
5   
99+

Number of Electrons
84   
32
4   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
112.00 pm   
99+

Covalent Radius
140.00 pm   
99+
96.00 pm   
99+

Van der Waals Radius
197.00 pm   
29
153.00 pm   
99+

Atomic Weight
209.00 amu   
28
9.01 amu   
99+

Atomic Volume
22.23 cm3/mol   
13
5.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Lithium
  

Next Element
Francium
  
Sodium
  

Valence Electron Potential
Not Available   
82.00 (-eV)   
15

Lattice Constant
335.90 pm   
99+
228.58 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.57   
18

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