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Atomic Structure of Roentgenium and Thallium


Atomic Structure of Thallium and Roentgenium


Atomic Properties

Atomic Number
111   
7
81   
35

Electron Configuration
[Rn] 5f14 6d9 7s2   
[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
111   
7
81   
35

Number of Neutrons
161   
3
123   
20

Number of Electrons
111   
7
81   
35

Radius of an Atom
  
  

Atomic Radius
Not Available   
170.00 pm   
22

Covalent Radius
Not Available   
145.00 pm   
39

Van der Waals Radius
Not Available   
196.00 pm   
30

Atomic Weight
281.00 amu   
6
204.38 amu   
31

Atomic Volume
Not Available   
17.20 cm3/mol   
31

Adjacent Atomic Numbers
  
  

Previous Element
Mercury
  

Next Element
Lead
  

Valence Electron Potential
Not Available   
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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