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Atomic Structure of Magnesium and Chromium

Magnesium
Chromium
Atomic Structure of Chromium and Magnesium


Atomic Properties
Atomic Number
12   
99+
24   
99+
Electron Configuration
[Ne] 3s2   
[Ar] 3d5 4s1   
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+
24   
99+
Number of Neutrons
12   
99+
28   
99+
Number of Electrons
12   
99+
24   
99+
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
128.00 pm   
99+
Covalent Radius
141.00 pm   
99+
139.00 pm   
99+
Van der Waals Radius
173.00 pm   
37
200.00 pm   
28
Atomic Weight
24.31 amu   
99+
52.00 amu   
99+
Atomic Volume
13.97 cm3/mol   
37
7.23 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Sodium
  
Vanadium
  
Next Element
Aluminium
  
Manganese
  
Valence Electron Potential
40.00 (-eV)   
99+
170.00 (-eV)   
4
Lattice Constant
320.94 pm   
99+
291.00 pm   
99+
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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