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Atomic Structure of Magnesium and Erbium


Atomic Structure of Erbium and Magnesium


Atomic Properties

Atomic Number
12   
99+
68   
99+

Electron Configuration
[Ne] 3s2   
[Xe] 4f12 6s2   

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

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

Atom
  
  

Number of Protons
12   
99+
68   
99+

Number of Neutrons
12   
99+
99   
33

Number of Electrons
12   
99+
68   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
176.00 pm   
18

Covalent Radius
141.00 pm   
99+
189.00 pm   
19

Van der Waals Radius
173.00 pm   
37
Not Available   

Atomic Weight
24.31 amu   
99+
167.26 amu   
99+

Atomic Volume
13.97 cm3/mol   
37
18.40 cm3/mol   
25

Adjacent Atomic Numbers
  
  

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Aluminium
  
Thulium
  

Valence Electron Potential
40.00 (-eV)   
99+
49.00 (-eV)   
29

Lattice Constant
320.94 pm   
99+
355.88 pm   
39

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

Lattice C/A Ratio
Not Available   
1.57   
17

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