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Atomic Structure of Gallium and Thulium


Atomic Structure of Thulium and Gallium


Atomic Properties

Atomic Number
31   
99+
69   
99+

Electron Configuration
[Ar] 3d10 4s2 4p1   
[Xe] 4f13 6s2   

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

Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100   
HCP-Crystal-Structure-of-Thulium.jpg#100   

Atom
  
  

Number of Protons
31   
99+
69   
99+

Number of Neutrons
39   
99+
100   
32

Number of Electrons
31   
99+
69   
99+

Radius of an Atom
  
  

Atomic Radius
135.00 pm   
99+
176.00 pm   
18

Covalent Radius
122.00 pm   
99+
160.00 pm   
30

Van der Waals Radius
187.00 pm   
32
Not Available   

Atomic Weight
69.72 amu   
99+
168.93 amu   
99+

Atomic Volume
11.80 cm3/mol   
99+
18.10 cm3/mol   
28

Adjacent Atomic Numbers
  
  

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Zinc
  
Erbium
  

Next Element
Rubidium
  
Ytterbium
  

Valence Electron Potential
69.70 (-eV)   
19
49.70 (-eV)   
28

Lattice Constant
451.97 pm   
18
353.75 pm   
40

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

Lattice C/A Ratio
Not Available   
1.57   
17

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