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Atomic Structure of Magnesium and Radium

Magnesium
Radium
Atomic Structure of Radium and Magnesium


Atomic Properties
Atomic Number
12   
99+
88   
30
Electron Configuration
[Ne] 3s2   
[Rn] 7s2   
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+
88   
30
Number of Neutrons
12   
99+
138   
16
Number of Electrons
12   
99+
88   
30
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
Not Available   
Covalent Radius
141.00 pm   
99+
221.00 pm   
3
Van der Waals Radius
173.00 pm   
37
283.00 pm   
4
Atomic Weight
24.31 amu   
99+
226.00 amu   
26
Atomic Volume
13.97 cm3/mol   
37
45.20 cm3/mol   
4
Adjacent Atomic Numbers
  
  
Previous Element
Sodium
  
Francium
  
Next Element
Aluminium
  
Actinium
  
Valence Electron Potential
40.00 (-eV)   
99+
20.10 (-eV)   
99+
Lattice Constant
320.94 pm   
99+
514.80 pm   
13
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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