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Atomic Structure of Thorium and Strontium

Thorium
Strontium
Atomic Structure of Strontium and Thorium


Atomic Properties
Atomic Number
90   
28
38   
99+
Electron Configuration
[Rn] 6d2 7s2   
[Kr] 5s2   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
FCC-Crystal-Structure-of-Strontium.jpg#100   
Atom
  
  
Number of Protons
90   
28
38   
99+
Number of Neutrons
142   
15
50   
99+
Number of Electrons
90   
28
38   
99+
Radius of an Atom
  
  
Atomic Radius
179.80 pm   
15
215.00 pm   
5
Covalent Radius
206.00 pm   
7
195.00 pm   
15
Van der Waals Radius
237.00 pm   
15
249.00 pm   
7
Atomic Weight
232.04 amu   
23
87.62 amu   
99+
Atomic Volume
19.90 cm3/mol   
20
33.70 cm3/mol   
6
Adjacent Atomic Numbers
  
  
Previous Element
Actinium
  
Rubidium
  
Next Element
Protactinium
  
Yttrium
  
Valence Electron Potential
59.30 (-eV)   
23
25.70 (-eV)   
99+
Lattice Constant
508.42 pm   
14
608.49 pm   
6
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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