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Atomic Structure of Actinium and Magnesium


Atomic Structure of Magnesium and Actinium


Atomic Properties

Atomic Number
89   
29
12   
99+

Electron Configuration
[Rn] 6d1 7s2   
[Ne] 3s2   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
HCP-Crystal-Structure-of-Magnesium.jpg#100   

Atom
  
  

Number of Protons
89   
29
12   
99+

Number of Neutrons
138   
16
12   
99+

Number of Electrons
89   
29
12   
99+

Radius of an Atom
  
  

Atomic Radius
195.00 pm   
7
160.00 pm   
27

Covalent Radius
Not Available   
141.00 pm   
99+

Van der Waals Radius
Not Available   
173.00 pm   
37

Atomic Weight
227.00 amu   
25
24.31 amu   
99+

Atomic Volume
22.54 cm3/mol   
11
13.97 cm3/mol   
37

Adjacent Atomic Numbers
  
  

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Thorium
  
Aluminium
  

Valence Electron Potential
38.60 (-eV)   
99+
40.00 (-eV)   
99+

Lattice Constant
567.00 pm   
8
320.94 pm   
99+

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
Not Available   

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