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Atomic Structure of Magnesium and Aluminium


Atomic Structure of Aluminium and Magnesium


Atomic Properties

Atomic Number
12   
99+
13   
99+

Electron Configuration
[Ne] 3s2   
[Ne] 3s2 3p1   

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

Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100   
FCC-Crystal-Structure-of-Aluminium.jpg#100   

Atom
  
  

Number of Protons
12   
99+
13   
99+

Number of Neutrons
12   
99+
14   
99+

Number of Electrons
12   
99+
13   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
143.00 pm   
37

Covalent Radius
141.00 pm   
99+
121.00 pm   
99+

Van der Waals Radius
173.00 pm   
37
184.00 pm   
34

Atomic Weight
24.31 amu   
99+
26.98 amu   
99+

Atomic Volume
13.97 cm3/mol   
37
10.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Magnesium
  

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Aluminium
  
Potassium
  

Valence Electron Potential
40.00 (-eV)   
99+
80.70 (-eV)   
17

Lattice Constant
320.94 pm   
99+
404.95 pm   
22

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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