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Atomic Structure of Hafnium and Magnesium


Atomic Structure of Magnesium and Hafnium


Atomic Properties

Atomic Number
72   
99+
12   
99+

Electron Configuration
[Xe] 4f14 5d2 6s2   
[Ne] 3s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Magnesium.jpg#100   

Atom
  
  

Number of Protons
72   
99+
12   
99+

Number of Neutrons
106   
29
12   
99+

Number of Electrons
72   
99+
12   
99+

Radius of an Atom
  
  

Atomic Radius
159.00 pm   
28
160.00 pm   
27

Covalent Radius
175.00 pm   
23
141.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
173.00 pm   
37

Atomic Weight
178.49 amu   
39
24.31 amu   
99+

Atomic Volume
13.60 cm3/mol   
38
13.97 cm3/mol   
37

Adjacent Atomic Numbers
  
  

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Lutetium
  
Sodium
  

Next Element
Tantalum
  
Aluminium
  

Valence Electron Potential
81.00 (-eV)   
16
40.00 (-eV)   
99+

Lattice Constant
319.64 pm   
99+
320.94 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.58   
12
Not Available   

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