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Atomic Structure of Einsteinium and Praseodymium


Atomic Structure of Praseodymium and Einsteinium


Atomic

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  
10
82  
99+

Number of Electrons
99  
19
59  
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm  
11
182.00 pm  
13

Covalent Radius
186.00 pm  
21
203.00 pm  
9

Van der Waals Radius
0.00 pm  
99+
239.00 pm  
18

Atomic Weight
252.00 amu  
16
140.91 amu  
99+

Atomic Volume
17.04 cm3/mol  
99+
20.80 cm3/mol  
25

Adjacent Atomic Numbers
  
  

Previous Element
Cerium
  

Next Element
Fermium
  
Neodymium
  

Valence Electron Potential
0.00 (-eV)  
99+
42.64 (-eV)  
99+

Lattice Constant
582.00 pm  
8
367.25 pm  
32

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.29  
99+
1.61  
18

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