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Atomic Structure of Gallium and Thallium

Gallium
Thallium
Atomic Structure of Thallium and Gallium


Atomic Properties
Atomic Number
31   
99+
81   
35
Electron Configuration
[Ar] 3d10 4s2 4p1   
[Xe] 4f14 5d10 6s2 6p1   
Crystal Structure
Orthorhombic (ORTH)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
31   
99+
81   
35
Number of Neutrons
39   
99+
123   
20
Number of Electrons
31   
99+
81   
35
Radius of an Atom
  
  
Atomic Radius
135.00 pm   
99+
170.00 pm   
22
Covalent Radius
122.00 pm   
99+
145.00 pm   
39
Van der Waals Radius
187.00 pm   
32
196.00 pm   
30
Atomic Weight
69.72 amu   
99+
204.38 amu   
31
Atomic Volume
11.80 cm3/mol   
99+
17.20 cm3/mol   
31
Adjacent Atomic Numbers
  
  
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Zinc
  
Mercury
  
Next Element
Rubidium
  
Lead
  
Valence Electron Potential
69.70 (-eV)   
19
9.60 (-eV)   
99+
Lattice Constant
451.97 pm   
18
345.66 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.60   
6
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