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Atomic Structure of Radium and Thorium

Radium
Thorium
Atomic Structure of Thorium and Radium


Atomic Properties
Atomic Number
88   
30
90   
28
Electron Configuration
[Rn] 7s2   
[Rn] 6d2 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
88   
30
90   
28
Number of Neutrons
138   
16
142   
15
Number of Electrons
88   
30
90   
28
Radius of an Atom
  
  
Atomic Radius
Not Available   
179.80 pm   
15
Covalent Radius
221.00 pm   
3
206.00 pm   
7
Van der Waals Radius
283.00 pm   
4
237.00 pm   
15
Atomic Weight
226.00 amu   
26
232.04 amu   
23
Atomic Volume
45.20 cm3/mol   
4
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Actinium
  
Next Element
Actinium
  
Protactinium
  
Valence Electron Potential
20.10 (-eV)   
99+
59.30 (-eV)   
23
Lattice Constant
514.80 pm   
13
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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