Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Magnesium and Americium


Atomic Structure of Americium and Magnesium


Atomic Properties

Atomic Number
12   
99+
95   
23

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

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

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

Atom
  
  

Number of Protons
12   
99+
95   
23

Number of Neutrons
12   
99+
148   
12

Number of Electrons
12   
99+
95   
23

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
173.00 pm   
21

Covalent Radius
141.00 pm   
99+
180.00 pm   
21

Van der Waals Radius
173.00 pm   
37
244.00 pm   
10

Atomic Weight
24.31 amu   
99+
243.00 amu   
20

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

Adjacent Atomic Numbers
  
  

Previous Element
Sodium
  
Plutonium
  

Next Element
Aluminium
  
Curium
  

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

Lattice Constant
320.94 pm   
99+
346.81 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   

Mechanical >>
<< Chemical

Compare All Metals

All Metals

All Metals


Compare All Metals