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Atomic Structure of Gallium and Beryllium


Atomic Structure of Beryllium and Gallium


Atomic Properties

Atomic Number
31   
99+
4   
99+

Electron Configuration
[Ar] 3d10 4s2 4p1   
[He] 2s2   

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

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

Atom
  
  

Number of Protons
31   
99+
4   
99+

Number of Neutrons
39   
99+
5   
99+

Number of Electrons
31   
99+
4   
99+

Radius of an Atom
  
  

Atomic Radius
135.00 pm   
99+
112.00 pm   
99+

Covalent Radius
122.00 pm   
99+
96.00 pm   
99+

Van der Waals Radius
187.00 pm   
32
153.00 pm   
99+

Atomic Weight
69.72 amu   
99+
9.01 amu   
99+

Atomic Volume
11.80 cm3/mol   
99+
5.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Valence Electron Potential
69.70 (-eV)   
19
82.00 (-eV)   
15

Lattice Constant
451.97 pm   
18
228.58 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.57   
18

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