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Atomic Structure of Thallium and Gallium

Thallium
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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Mercury
  
Zinc
  
Next Element
Lead
  
Rubidium
  
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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