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Atomic Structure of Francium and Thallium

Francium
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
  
  
Previous Element
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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