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Atomic Structure of Aluminium and Protactinium

Aluminium
Protactinium
Atomic Structure of Protactinium and Aluminium


Atomic Properties
Atomic Number
13   
99+
91   
27
Electron Configuration
[Ne] 3s2 3p1   
[Rn] 5f2 6d1 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Tetragonal (TETR)   
Crystal Lattice
FCC-Crystal-Structure-of-Aluminium.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   
Atom
  
  
Number of Protons
13   
99+
91   
27
Number of Neutrons
14   
99+
122   
21
Number of Electrons
13   
99+
91   
27
Radius of an Atom
  
  
Atomic Radius
143.00 pm   
37
163.00 pm   
25
Covalent Radius
121.00 pm   
99+
200.00 pm   
11
Van der Waals Radius
184.00 pm   
34
243.00 pm   
11
Atomic Weight
26.98 amu   
99+
231.04 amu   
24
Atomic Volume
10.00 cm3/mol   
99+
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
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Magnesium
  
Thorium
  
Next Element
Potassium
  
Uranium
  
Valence Electron Potential
80.70 (-eV)   
17
92.00 (-eV)   
11
Lattice Constant
404.95 pm   
22
392.50 pm   
23
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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