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Atomic Structure of Neodymium and Neptunium


Atomic Structure of Neptunium and Neodymium


Atomic Properties

Atomic Number
60   
99+
93   
25

Electron Configuration
[Xe] 4f4 6s2   
[Rn] 5f4 6d1 7s2   

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

Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
ORTH-Crystal-Structure-of-Neptunium.jpg#100   

Atom
  
  

Number of Protons
60   
99+
93   
25

Number of Neutrons
84   
40
144   
14

Number of Electrons
60   
99+
93   
25

Radius of an Atom
  
  

Atomic Radius
181.00 pm   
13
155.00 pm   
30

Covalent Radius
201.00 pm   
10
190.00 pm   
18

Van der Waals Radius
229.00 pm   
20
221.00 pm   
22

Atomic Weight
144.24 amu   
99+
237.00 amu   
22

Atomic Volume
20.60 cm3/mol   
18
11.62 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Uranium
  

Next Element
Promethium
  
Plutonium
  

Valence Electron Potential
43.40 (-eV)   
99+
96.00 (-eV)   
9

Lattice Constant
365.80 pm   
30
666.30 pm   
3

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

Lattice C/A Ratio
1.61   
4
Not Available   

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