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Atomic Structure of Americium and Neodymium


Atomic Structure of Neodymium and Americium


Atomic Properties

Atomic Number
95   
23
60   
99+

Electron Configuration
[Rn] 5f7 7s2   
[Xe] 4f4 6s2   

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

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

Atom
  
  

Number of Protons
95   
23
60   
99+

Number of Neutrons
148   
12
84   
40

Number of Electrons
95   
23
60   
99+

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
181.00 pm   
13

Covalent Radius
180.00 pm   
21
201.00 pm   
10

Van der Waals Radius
244.00 pm   
10
229.00 pm   
20

Atomic Weight
243.00 amu   
20
144.24 amu   
99+

Atomic Volume
17.86 cm3/mol   
29
20.60 cm3/mol   
18

Adjacent Atomic Numbers
  
  

Previous Element
Plutonium
  

Next Element
Curium
  
Promethium
  

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

Lattice Constant
346.81 pm   
99+
365.80 pm   
30

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

Lattice C/A Ratio
Not Available   
1.61   
4

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