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Atomic Structure of Americium and Sodium


Atomic Structure of Sodium and Americium


Atomic Properties

Atomic Number
95   
23
11   
99+

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

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

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

Atom
  
  

Number of Protons
95   
23
11   
99+

Number of Neutrons
148   
12
12   
99+

Number of Electrons
95   
23
11   
99+

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
186.00 pm   
9

Covalent Radius
180.00 pm   
21
166.00 pm   
27

Van der Waals Radius
244.00 pm   
10
227.00 pm   
21

Atomic Weight
243.00 amu   
20
22.99 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Plutonium
  
Beryllium
  

Next Element
Curium
  
Magnesium
  

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

Lattice Constant
346.81 pm   
99+
429.06 pm   
19

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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