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Atomic Structure of Magnesium and Hafnium


Atomic Structure of Hafnium and Magnesium


Atomic Properties

Atomic Number
12   
99+
72   
99+

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

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

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

Atom
  
  

Number of Protons
12   
99+
72   
99+

Number of Neutrons
12   
99+
106   
29

Number of Electrons
12   
99+
72   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
159.00 pm   
28

Covalent Radius
141.00 pm   
99+
175.00 pm   
23

Van der Waals Radius
173.00 pm   
37
200.00 pm   
28

Atomic Weight
24.31 amu   
99+
178.49 amu   
39

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

Adjacent Atomic Numbers
  
  

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Lutetium
  

Next Element
Aluminium
  
Tantalum
  

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

Lattice Constant
320.94 pm   
99+
319.64 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.58   
12

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