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Atomic Structure of Magnesium and Actinium


Atomic Structure of Actinium and Magnesium


Atomic Properties

Atomic Number
12   
99+
89   
29

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

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

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

Atom
  
  

Number of Protons
12   
99+
89   
29

Number of Neutrons
12   
99+
138   
16

Number of Electrons
12   
99+
89   
29

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
195.00 pm   
7

Covalent Radius
141.00 pm   
99+
Not Available   

Van der Waals Radius
173.00 pm   
37
Not Available   

Atomic Weight
24.31 amu   
99+
227.00 amu   
25

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

Adjacent Atomic Numbers
  
  

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Aluminium
  
Thorium
  

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

Lattice Constant
320.94 pm   
99+
567.00 pm   
8

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

Lattice C/A Ratio
Not Available   
Not Available   

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