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Atomic Structure of Thallium and Thorium

Thallium
Thorium
Atomic Structure of Thorium and Thallium


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