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Atomic Structure of Thallium and Gallium


Atomic Structure of Gallium and Thallium


Atomic Properties

Atomic Number
81   
35
31   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Ar] 3d10 4s2 4p1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Orthorhombic (ORTH)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
ORTH-Crystal-Structure-of-Gallium.jpg#100   

Atom
  
  

Number of Protons
81   
35
31   
99+

Number of Neutrons
123   
20
39   
99+

Number of Electrons
81   
35
31   
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
135.00 pm   
99+

Covalent Radius
145.00 pm   
39
122.00 pm   
99+

Van der Waals Radius
196.00 pm   
30
187.00 pm   
32

Atomic Weight
204.38 amu   
31
69.72 amu   
99+

Atomic Volume
17.20 cm3/mol   
31
11.80 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Valence Electron Potential
9.60 (-eV)   
99+
69.70 (-eV)   
19

Lattice Constant
345.66 pm   
99+
451.97 pm   
18

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

Lattice C/A Ratio
1.60   
6
Not Available   

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