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Atomic Structure of Beryllium and Praseodymium

Beryllium
Praseodymium
Atomic Structure of Praseodymium and Beryllium


Atomic Properties
Atomic Number
4   
99+
59   
99+
Electron Configuration
[He] 2s2   
[Xe] 4f3 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
Atom
  
  
Number of Protons
4   
99+
59   
99+
Number of Neutrons
5   
99+
82   
99+
Number of Electrons
4   
99+
59   
99+
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
182.00 pm   
11
Covalent Radius
96.00 pm   
99+
203.00 pm   
9
Van der Waals Radius
153.00 pm   
99+
239.00 pm   
14
Atomic Weight
9.01 amu   
99+
140.91 amu   
99+
Atomic Volume
5.00 cm3/mol   
99+
20.80 cm3/mol   
15
Adjacent Atomic Numbers
  
  
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Lithium
  
Cerium
  
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Sodium
  
Neodymium
  
Valence Electron Potential
82.00 (-eV)   
15
42.64 (-eV)   
99+
Lattice Constant
228.58 pm   
99+
367.25 pm   
29
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
18
1.61   
4
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