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Atomic Structure of Beryllium and Polonium


Atomic Structure of Polonium and Beryllium


Atomic Properties

Atomic Number
4   
99+
84   
32

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

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

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

Atom
  
  

Number of Protons
4   
99+
84   
32

Number of Neutrons
5   
99+
125   
19

Number of Electrons
4   
99+
84   
32

Radius of an Atom
  
  

Atomic Radius
112.00 pm   
99+
168.00 pm   
23

Covalent Radius
96.00 pm   
99+
140.00 pm   
99+

Van der Waals Radius
153.00 pm   
99+
197.00 pm   
29

Atomic Weight
9.01 amu   
99+
209.00 amu   
28

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

Adjacent Atomic Numbers
  
  

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Sodium
  
Francium
  

Valence Electron Potential
82.00 (-eV)   
15
Not Available   

Lattice Constant
228.58 pm   
99+
335.90 pm   
99+

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

Lattice C/A Ratio
1.57   
18
Not Available   

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