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Atomic Structure of Actinium and Gallium


Atomic Structure of Gallium and Actinium


Atomic Properties

Atomic Number
89   
29
31   
99+

Electron Configuration
[Rn] 6d1 7s2   
[Ar] 3d10 4s2 4p1   

Crystal Structure
Face Centered Cubic (FCC)   
Orthorhombic (ORTH)   

Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
ORTH-Crystal-Structure-of-Gallium.jpg#100   

Atom
  
  

Number of Protons
89   
29
31   
99+

Number of Neutrons
138   
16
39   
99+

Number of Electrons
89   
29
31   
99+

Radius of an Atom
  
  

Atomic Radius
195.00 pm   
7
135.00 pm   
99+

Covalent Radius
Not Available   
122.00 pm   
99+

Van der Waals Radius
Not Available   
187.00 pm   
32

Atomic Weight
227.00 amu   
25
69.72 amu   
99+

Atomic Volume
22.54 cm3/mol   
11
11.80 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Radium
  
Zinc
  

Next Element
Thorium
  
Rubidium
  

Valence Electron Potential
38.60 (-eV)   
99+
69.70 (-eV)   
19

Lattice Constant
567.00 pm   
8
451.97 pm   
18

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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