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Atomic Structure of Aluminium and Scandium


Atomic Structure of Scandium and Aluminium


Atomic Properties

Atomic Number
13   
99+
21   
99+

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

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

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

Atom
  
  

Number of Protons
13   
99+
21   
99+

Number of Neutrons
14   
99+
24   
99+

Number of Electrons
13   
99+
21   
99+

Radius of an Atom
  
  

Atomic Radius
143.00 pm   
37
162.00 pm   
26

Covalent Radius
121.00 pm   
99+
170.00 pm   
25

Van der Waals Radius
184.00 pm   
34
211.00 pm   
25

Atomic Weight
26.98 amu   
99+
44.96 amu   
99+

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

Adjacent Atomic Numbers
  
  

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

Lattice Constant
404.95 pm   
22
330.90 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.59   
7

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