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Atomic Structure of Scandium and Gallium


Atomic Structure of Gallium and Scandium


Atomic Properties

Atomic Number
21   
99+
31   
99+

Electron Configuration
[Ar] 3d1 4s2   
[Ar] 3d10 4s2 4p1   

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

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

Atom
  
  

Number of Protons
21   
99+
31   
99+

Number of Neutrons
24   
99+
39   
99+

Number of Electrons
21   
99+
31   
99+

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
135.00 pm   
99+

Covalent Radius
170.00 pm   
25
122.00 pm   
99+

Van der Waals Radius
211.00 pm   
25
187.00 pm   
32

Atomic Weight
44.96 amu   
99+
69.72 amu   
99+

Atomic Volume
15.00 cm3/mol   
34
11.80 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Titanium
  
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Valence Electron Potential
58.00 (-eV)   
24
69.70 (-eV)   
19

Lattice Constant
330.90 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   
7
Not Available   

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