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Atomic Structure of Scandium and Aluminium


Atomic Structure of Aluminium and Scandium


Atomic Properties

Atomic Number
21   
99+
13   
99+

Electron Configuration
[Ar] 3d1 4s2   
[Ne] 3s2 3p1   

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

Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
FCC-Crystal-Structure-of-Aluminium.jpg#100   

Atom
  
  

Number of Protons
21   
99+
13   
99+

Number of Neutrons
24   
99+
14   
99+

Number of Electrons
21   
99+
13   
99+

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
143.00 pm   
37

Covalent Radius
170.00 pm   
25
121.00 pm   
99+

Van der Waals Radius
211.00 pm   
25
184.00 pm   
34

Atomic Weight
44.96 amu   
99+
26.98 amu   
99+

Atomic Volume
15.00 cm3/mol   
34
10.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Magnesium
  

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Titanium
  
Potassium
  

Valence Electron Potential
58.00 (-eV)   
24
80.70 (-eV)   
17

Lattice Constant
330.90 pm   
99+
404.95 pm   
22

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

Lattice C/A Ratio
1.59   
7
Not Available   

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