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Atomic Structure of Lanthanum and Aluminium


Atomic Structure of Aluminium and Lanthanum


Atomic Properties

Atomic Number
57   
99+
13   
99+

Electron Configuration
[Xe] 5d2 6s2   
[Ne] 3s2 3p1   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
FCC-Crystal-Structure-of-Aluminium.jpg#100   

Atom
  
  

Number of Protons
57   
99+
13   
99+

Number of Neutrons
82   
99+
14   
99+

Number of Electrons
57   
99+
13   
99+

Radius of an Atom
  
  

Atomic Radius
187.00 pm   
8
143.00 pm   
37

Covalent Radius
207.00 pm   
6
121.00 pm   
99+

Van der Waals Radius
240.00 pm   
13
184.00 pm   
34

Atomic Weight
138.91 amu   
99+
26.98 amu   
99+

Atomic Volume
20.73 cm3/mol   
16
10.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Barium
  
Magnesium
  

Next Element
Cerium
  
Potassium
  

Valence Electron Potential
40.71 (-eV)   
99+
80.70 (-eV)   
17

Lattice Constant
377.20 pm   
28
404.95 pm   
22

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

Lattice C/A Ratio
1.62   
2
Not Available   

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