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Atomic Structure of Americium and Magnesium


Atomic Structure of Magnesium and Americium


Atomic Properties

Atomic Number
95   
23
12   
99+

Electron Configuration
[Rn] 5f7 7s2   
[Ne] 3s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
HCP-Crystal-Structure-of-Magnesium.jpg#100   

Atom
  
  

Number of Protons
95   
23
12   
99+

Number of Neutrons
148   
12
12   
99+

Number of Electrons
95   
23
12   
99+

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
160.00 pm   
27

Covalent Radius
180.00 pm   
21
141.00 pm   
99+

Van der Waals Radius
244.00 pm   
10
173.00 pm   
37

Atomic Weight
243.00 amu   
20
24.31 amu   
99+

Atomic Volume
17.86 cm3/mol   
29
13.97 cm3/mol   
37

Adjacent Atomic Numbers
  
  

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Sodium
  

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Curium
  
Aluminium
  

Valence Electron Potential
44.00 (-eV)   
40
40.00 (-eV)   
99+

Lattice Constant
346.81 pm   
99+
320.94 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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