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Atomic Structure of Thorium and Einsteinium

Thorium
Einsteinium
Atomic Structure of Einsteinium and Thorium


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