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Atomic Structure of Strontium and Thorium

Strontium
Thorium
Atomic Structure of Thorium and Strontium


Atomic Properties
Atomic Number
38   
99+
90   
28
Electron Configuration
[Kr] 5s2   
[Rn] 6d2 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
38   
99+
90   
28
Number of Neutrons
50   
99+
142   
15
Number of Electrons
38   
99+
90   
28
Radius of an Atom
  
  
Atomic Radius
215.00 pm   
5
179.80 pm   
15
Covalent Radius
195.00 pm   
15
206.00 pm   
7
Van der Waals Radius
249.00 pm   
7
237.00 pm   
15
Atomic Weight
87.62 amu   
99+
232.04 amu   
23
Atomic Volume
33.70 cm3/mol   
6
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Rubidium
  
Actinium
  
Next Element
Yttrium
  
Protactinium
  
Valence Electron Potential
25.70 (-eV)   
99+
59.30 (-eV)   
23
Lattice Constant
608.49 pm   
6
508.42 pm   
14
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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