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Atomic Structure of Lutetium and Gallium

Lutetium
Gallium
Atomic Structure of Gallium and Lutetium


Atomic Properties
Atomic Number
71   
99+
31   
99+
Electron Configuration
[Xe] 6s2 4f14 5d1   
[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
71   
99+
31   
99+
Number of Neutrons
104   
30
39   
99+
Number of Electrons
71   
99+
31   
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
135.00 pm   
99+
Covalent Radius
187.00 pm   
20
122.00 pm   
99+
Van der Waals Radius
221.00 pm   
22
187.00 pm   
32
Atomic Weight
174.97 amu   
40
69.72 amu   
99+
Atomic Volume
17.78 cm3/mol   
30
11.80 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Zinc
  
Next Element
Hafnium
  
Rubidium
  
Valence Electron Potential
50.90 (-eV)   
26
69.70 (-eV)   
19
Lattice Constant
350.31 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
1.59   
10
Not Available   
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