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Atomic Structure of Gallium and 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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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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