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Atomic Structure of Thallium and Roentgenium

Thallium
Roentgenium
Atomic Structure of Roentgenium and Thallium


Atomic Properties
Atomic Number
81   
35
111   
7
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Rn] 5f14 6d9 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
81   
35
111   
7
Number of Neutrons
123   
20
161   
3
Number of Electrons
81   
35
111   
7
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
Not Available   
Covalent Radius
145.00 pm   
39
Not Available   
Van der Waals Radius
196.00 pm   
30
Not Available   
Atomic Weight
204.38 amu   
31
281.00 amu   
6
Atomic Volume
17.20 cm3/mol   
31
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Mercury
  
Darmstadtium
  
Next Element
Lead
  
Copernicium
  
Valence Electron Potential
9.60 (-eV)   
99+
Not Available   
Lattice Constant
345.66 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.60   
6
Not Available   
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