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Atomic Structure of Magnesium and Scandium


Atomic Structure of Scandium and Magnesium


Atomic Properties

Atomic Number
12   
99+
21   
99+

Electron Configuration
[Ne] 3s2   
[Ar] 3d1 4s2   

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

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

Atom
  
  

Number of Protons
12   
99+
21   
99+

Number of Neutrons
12   
99+
24   
99+

Number of Electrons
12   
99+
21   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
162.00 pm   
26

Covalent Radius
141.00 pm   
99+
170.00 pm   
25

Van der Waals Radius
173.00 pm   
37
211.00 pm   
25

Atomic Weight
24.31 amu   
99+
44.96 amu   
99+

Atomic Volume
13.97 cm3/mol   
37
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

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Valence Electron Potential
40.00 (-eV)   
99+
58.00 (-eV)   
24

Lattice Constant
320.94 pm   
99+
330.90 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.59   
7

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