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Atomic Structure of Thorium and Beryllium


Atomic Structure of Beryllium and Thorium


Atomic Properties

Atomic Number
90   
28
4   
99+

Electron Configuration
[Rn] 6d2 7s2   
[He] 2s2   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
HCP-Crystal-Structure-of-Beryllium.jpg#100   

Atom
  
  

Number of Protons
90   
28
4   
99+

Number of Neutrons
142   
15
5   
99+

Number of Electrons
90   
28
4   
99+

Radius of an Atom
  
  

Atomic Radius
179.80 pm   
15
112.00 pm   
99+

Covalent Radius
206.00 pm   
7
96.00 pm   
99+

Van der Waals Radius
237.00 pm   
15
153.00 pm   
99+

Atomic Weight
232.04 amu   
23
9.01 amu   
99+

Atomic Volume
19.90 cm3/mol   
20
5.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Actinium
  
Lithium
  

Next Element
Sodium
  

Valence Electron Potential
59.30 (-eV)   
23
82.00 (-eV)   
15

Lattice Constant
508.42 pm   
14
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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