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Atomic Structure of Aluminium and Samarium


Atomic Structure of Samarium and Aluminium


Atomic Properties

Atomic Number
13   
99+
62   
99+

Electron Configuration
[Ne] 3s2 3p1   
[Xe] 4f6 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Rhombohedral (RHO)   

Crystal Lattice
FCC-Crystal-Structure-of-Aluminium.jpg#100   
RHO-Crystal-Structure-of-Samarium.jpg#100   

Atom
  
  

Number of Protons
13   
99+
62   
99+

Number of Neutrons
14   
99+
88   
39

Number of Electrons
13   
99+
62   
99+

Radius of an Atom
  
  

Atomic Radius
143.00 pm   
37
180.00 pm   
14

Covalent Radius
121.00 pm   
99+
198.00 pm   
13

Van der Waals Radius
184.00 pm   
34
229.00 pm   
20

Atomic Weight
26.98 amu   
99+
150.36 amu   
99+

Atomic Volume
10.00 cm3/mol   
99+
19.95 cm3/mol   
19

Adjacent Atomic Numbers
  
  

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Promethium
  

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Potassium
  
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Valence Electron Potential
80.70 (-eV)   
17
44.80 (-eV)   
37

Lattice Constant
404.95 pm   
22
362.10 pm   
33

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

Lattice C/A Ratio
Not Available   
Not Available   

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