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Atomic Structure of Praseodymium and Einsteinium


Atomic Structure of Einsteinium and Praseodymium


Atomic Properties

Atomic Number
59   
99+
99   
19

Electron Configuration
[Xe] 4f3 6s2   
[Rn] 5f11 7s2   

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

Crystal Lattice
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
FCC-Crystal-Structure-of-Einsteinium.jpg#100   

Atom
  
  

Number of Protons
59   
99+
99   
19

Number of Neutrons
82   
99+
153   
9

Number of Electrons
59   
99+
99   
19

Radius of an Atom
  
  

Atomic Radius
182.00 pm   
11
186.00 pm   
9

Covalent Radius
203.00 pm   
9
Not Available   

Van der Waals Radius
239.00 pm   
14
Not Available   

Atomic Weight
140.91 amu   
99+
252.00 amu   
16

Atomic Volume
20.80 cm3/mol   
15
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Cerium
  

Next Element
Neodymium
  
Fermium
  

Valence Electron Potential
42.64 (-eV)   
99+
Not Available   

Lattice Constant
367.25 pm   
29
Not Available   

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

Lattice C/A Ratio
1.61   
4
Not Available   

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