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Atomic Structure of Francium and Thallium


Atomic Structure of Thallium and Francium


Atomic Properties

Atomic Number
87   
31
81   
35

Electron Configuration
[Rn] 7s1   
[Xe] 4f14 5d10 6s2 6p1   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
87   
31
81   
35

Number of Neutrons
136   
17
123   
20

Number of Electrons
87   
31
81   
35

Radius of an Atom
  
  

Atomic Radius
Not Available   
170.00 pm   
22

Covalent Radius
260.00 pm   
1
145.00 pm   
39

Van der Waals Radius
348.00 pm   
1
196.00 pm   
30

Atomic Weight
223.00 amu   
27
204.38 amu   
31

Atomic Volume
Not Available   
17.20 cm3/mol   
31

Adjacent Atomic Numbers
  
  

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Polonium
  
Mercury
  

Next Element
Radium
  
Lead
  

Valence Electron Potential
8.00 (-eV)   
99+
9.60 (-eV)   
99+

Lattice Constant
Not Available   
345.66 pm   
99+

Lattice Angles
NA   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.60   
6

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