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Atomic Structure of Gallium and Actinium

Gallium
Actinium
Atomic Structure of Actinium and Gallium


Atomic Properties
Atomic Number
31   
99+
89   
29
Electron Configuration
[Ar] 3d10 4s2 4p1   
[Rn] 6d1 7s2   
Crystal Structure
Orthorhombic (ORTH)   
Face Centered Cubic (FCC)   
Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100   
FCC-Crystal-Structure-of-Actinium.jpg#100   
Atom
  
  
Number of Protons
31   
99+
89   
29
Number of Neutrons
39   
99+
138   
16
Number of Electrons
31   
99+
89   
29
Radius of an Atom
  
  
Atomic Radius
135.00 pm   
99+
195.00 pm   
7
Covalent Radius
122.00 pm   
99+
Not Available   
Van der Waals Radius
187.00 pm   
32
Not Available   
Atomic Weight
69.72 amu   
99+
227.00 amu   
25
Atomic Volume
11.80 cm3/mol   
99+
22.54 cm3/mol   
11
Adjacent Atomic Numbers
  
  
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Zinc
  
Radium
  
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Rubidium
  
Thorium
  
Valence Electron Potential
69.70 (-eV)   
19
38.60 (-eV)   
99+
Lattice Constant
451.97 pm   
18
567.00 pm   
8
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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