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Atomic Structure of Thorium and 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
  
  

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Mercury
  

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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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