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Atomic Structure of Gallium and Scandium

Gallium
Scandium
Atomic Structure of Scandium and Gallium


Atomic Properties
Atomic Number
31   
99+
21   
99+
Electron Configuration
[Ar] 3d10 4s2 4p1   
[Ar] 3d1 4s2   
Crystal Structure
Orthorhombic (ORTH)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   
Atom
  
  
Number of Protons
31   
99+
21   
99+
Number of Neutrons
39   
99+
24   
99+
Number of Electrons
31   
99+
21   
99+
Radius of an Atom
  
  
Atomic Radius
135.00 pm   
99+
162.00 pm   
26
Covalent Radius
122.00 pm   
99+
170.00 pm   
25
Van der Waals Radius
187.00 pm   
32
211.00 pm   
25
Atomic Weight
69.72 amu   
99+
44.96 amu   
99+
Atomic Volume
11.80 cm3/mol   
99+
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
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Zinc
  
Calcium
  
Next Element
Rubidium
  
Titanium
  
Valence Electron Potential
69.70 (-eV)   
19
58.00 (-eV)   
24
Lattice Constant
451.97 pm   
18
330.90 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
7
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