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Atomic Structure of Magnesium and Thorium

Magnesium
Thorium
Atomic Structure of Thorium and Magnesium


Atomic Properties
Atomic Number
12   
99+
90   
28
Electron Configuration
[Ne] 3s2   
[Rn] 6d2 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
12   
99+
90   
28
Number of Neutrons
12   
99+
142   
15
Number of Electrons
12   
99+
90   
28
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
179.80 pm   
15
Covalent Radius
141.00 pm   
99+
206.00 pm   
7
Van der Waals Radius
173.00 pm   
37
237.00 pm   
15
Atomic Weight
24.31 amu   
99+
232.04 amu   
23
Atomic Volume
13.97 cm3/mol   
37
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Sodium
  
Actinium
  
Next Element
Aluminium
  
Protactinium
  
Valence Electron Potential
40.00 (-eV)   
99+
59.30 (-eV)   
23
Lattice Constant
320.94 pm   
99+
508.42 pm   
14
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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