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Atomic Structure of Erbium and Aluminium


Atomic Structure of Aluminium and Erbium


Atomic Properties

Atomic Number
68   
99+
13   
99+

Electron Configuration
[Xe] 4f12 6s2   
[Ne] 3s2 3p1   

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

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

Atom
  
  

Number of Protons
68   
99+
13   
99+

Number of Neutrons
99   
33
14   
99+

Number of Electrons
68   
99+
13   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
143.00 pm   
37

Covalent Radius
189.00 pm   
19
121.00 pm   
99+

Van der Waals Radius
Not Available   
184.00 pm   
34

Atomic Weight
167.26 amu   
99+
26.98 amu   
99+

Atomic Volume
18.40 cm3/mol   
25
10.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Magnesium
  

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Thulium
  
Potassium
  

Valence Electron Potential
49.00 (-eV)   
29
80.70 (-eV)   
17

Lattice Constant
355.88 pm   
39
404.95 pm   
22

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

Lattice C/A Ratio
1.57   
17
Not Available   

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