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Atomic Structure of Beryllium and Thorium

Beryllium
Thorium
Atomic Structure of Thorium and Beryllium


Atomic Properties
Atomic Number
4   
99+
90   
28
Electron Configuration
[He] 2s2   
[Rn] 6d2 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
4   
99+
90   
28
Number of Neutrons
5   
99+
142   
15
Number of Electrons
4   
99+
90   
28
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
179.80 pm   
15
Covalent Radius
96.00 pm   
99+
206.00 pm   
7
Van der Waals Radius
153.00 pm   
99+
237.00 pm   
15
Atomic Weight
9.01 amu   
99+
232.04 amu   
23
Atomic Volume
5.00 cm3/mol   
99+
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Lithium
  
Actinium
  
Next Element
Sodium
  
Protactinium
  
Valence Electron Potential
82.00 (-eV)   
15
59.30 (-eV)   
23
Lattice Constant
228.58 pm   
99+
508.42 pm   
14
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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