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Atomic Structure of Praseodymium and Einsteinium

Praseodymium
Einsteinium
Atomic Structure of Einsteinium and Praseodymium


Atomic
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  
10
Number of Electrons
59  
99+
99  
19
Radius of an Atom
  
  
Atomic Radius
182.00 pm  
13
186.00 pm  
11
Covalent Radius
203.00 pm  
9
186.00 pm  
21
Van der Waals Radius
239.00 pm  
18
0.00 pm  
99+
Atomic Weight
140.91 amu  
99+
252.00 amu  
16
Atomic Volume
20.80 cm3/mol  
25
17.04 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Cerium
  
Californium
  
Next Element
Neodymium
  
Fermium
  
Valence Electron Potential
42.64 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
367.25 pm  
32
582.00 pm  
8
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.61  
18
1.29  
99+
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