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Atomic Structure of Sodium and Americium


Atomic Structure of Americium and Sodium


Atomic Properties

Atomic Number
11   
99+
95   
23

Electron Configuration
[Ne] 3s1   
[Rn] 5f7 7s2   

Crystal Structure
Body Centered Cubic (BCC)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Americium.jpg#100   

Atom
  
  

Number of Protons
11   
99+
95   
23

Number of Neutrons
12   
99+
148   
12

Number of Electrons
11   
99+
95   
23

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
173.00 pm   
21

Covalent Radius
166.00 pm   
27
180.00 pm   
21

Van der Waals Radius
227.00 pm   
21
244.00 pm   
10

Atomic Weight
22.99 amu   
99+
243.00 amu   
20

Atomic Volume
23.70 cm3/mol   
10
17.86 cm3/mol   
29

Adjacent Atomic Numbers
  
  

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Plutonium
  

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Magnesium
  
Curium
  

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

Lattice Constant
429.06 pm   
19
346.81 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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