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Atomic Structure of Magnesium and Sodium

Magnesium
Sodium
Atomic Structure of Sodium and Magnesium


Atomic Properties
Atomic Number
12   
99+
11   
99+
Electron Configuration
[Ne] 3s2   
[Ne] 3s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
12   
99+
11   
99+
Number of Neutrons
12   
99+
12   
99+
Number of Electrons
12   
99+
11   
99+
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
186.00 pm   
9
Covalent Radius
141.00 pm   
99+
166.00 pm   
27
Van der Waals Radius
173.00 pm   
37
227.00 pm   
21
Atomic Weight
24.31 amu   
99+
22.99 amu   
99+
Atomic Volume
13.97 cm3/mol   
37
23.70 cm3/mol   
10
Adjacent Atomic Numbers
  
  
Previous Element
Sodium
  
Beryllium
  
Next Element
Aluminium
  
Magnesium
  
Valence Electron Potential
40.00 (-eV)   
99+
14.10 (-eV)   
99+
Lattice Constant
320.94 pm   
99+
429.06 pm   
19
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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