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Atomic Structure of Magnesium and Iridium


Atomic Structure of Iridium and Magnesium


Atomic Properties

Atomic Number
12   
99+
77   
39

Electron Configuration
[Ne] 3s2   
[Xe] 4f14 5d7 6s2   

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

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

Atom
  
  

Number of Protons
12   
99+
74   
99+

Number of Neutrons
12   
99+
110   
27

Number of Electrons
12   
99+
74   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
136.00 pm   
99+

Covalent Radius
141.00 pm   
99+
141.00 pm   
99+

Van der Waals Radius
173.00 pm   
37
202.00 pm   
27

Atomic Weight
24.31 amu   
99+
192.22 amu   
34

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

Adjacent Atomic Numbers
  
  

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Aluminium
  
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Valence Electron Potential
40.00 (-eV)   
99+
140.00 (-eV)   
5

Lattice Constant
320.94 pm   
99+
383.90 pm   
26

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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