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Atomic Structure of Einsteinium and Praseodymium


Atomic Structure of Praseodymium and Einsteinium


Atomic Properties

Atomic Number
99   
19
59   
99+

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

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

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

Atom
  
  

Number of Protons
99   
19
59   
99+

Number of Neutrons
153   
9
82   
99+

Number of Electrons
99   
19
59   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
182.00 pm   
11

Covalent Radius
Not Available   
203.00 pm   
9

Van der Waals Radius
Not Available   
239.00 pm   
14

Atomic Weight
252.00 amu   
16
140.91 amu   
99+

Atomic Volume
Not Available   
20.80 cm3/mol   
15

Adjacent Atomic Numbers
  
  

Previous Element
Cerium
  

Next Element
Fermium
  
Neodymium
  

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

Lattice Constant
Not Available   
367.25 pm   
29

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

Lattice C/A Ratio
Not Available   
1.61   
4

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