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Atomic Structure of Einsteinium and Thorium

Einsteinium
Thorium
Atomic Structure of Thorium and Einsteinium


Atomic
Atomic Number
99  
19
90  
28
Electron Configuration
[Rn] 5f11 7s2  
[Rn] 6d2 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
FCC-Crystal-Structure-of-Thorium.jpg#100  
Atom
  
  
Number of Protons
99  
19
90  
28
Number of Neutrons
153  
10
142  
16
Number of Electrons
99  
19
90  
28
Radius of an Atom
  
  
Atomic Radius
186.00 pm  
11
179.80 pm  
17
Covalent Radius
186.00 pm  
21
206.00 pm  
7
Van der Waals Radius
0.00 pm  
99+
237.00 pm  
19
Atomic Weight
252.00 amu  
16
232.04 amu  
23
Atomic Volume
17.04 cm3/mol  
99+
19.90 cm3/mol  
32
Adjacent Atomic Numbers
  
  
Previous Element
Californium
  
Actinium
  
Next Element
Fermium
  
Protactinium
  
Valence Electron Potential
0.00 (-eV)  
99+
59.30 (-eV)  
24
Lattice Constant
582.00 pm  
8
508.42 pm  
16
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.29  
99+
1.10  
99+
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