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Atomic Structure of Thorium and Thallium

Thorium
Thallium
Atomic Structure of Thallium and Thorium


Atomic Properties
Atomic Number
90   
28
81   
35
Electron Configuration
[Rn] 6d2 7s2   
[Xe] 4f14 5d10 6s2 6p1   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
90   
28
81   
35
Number of Neutrons
142   
15
123   
20
Number of Electrons
90   
28
81   
35
Radius of an Atom
  
  
Atomic Radius
179.80 pm   
15
170.00 pm   
22
Covalent Radius
206.00 pm   
7
145.00 pm   
39
Van der Waals Radius
237.00 pm   
15
196.00 pm   
30
Atomic Weight
232.04 amu   
23
204.38 amu   
31
Atomic Volume
19.90 cm3/mol   
20
17.20 cm3/mol   
31
Adjacent Atomic Numbers
  
  
Previous Element
Actinium
  
Mercury
  
Next Element
Protactinium
  
Lead
  
Valence Electron Potential
59.30 (-eV)   
23
9.60 (-eV)   
99+
Lattice Constant
508.42 pm   
14
345.66 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.60   
6
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