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Atomic Structure of Thallium and 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
  

Next Element
Lead
  

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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