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Atomic Structure of Neptunium and Plutonium


Atomic Structure of Plutonium and Neptunium


Atomic Properties

Atomic Number
93   
25
94   
24

Electron Configuration
[Rn] 5f4 6d1 7s2   
[Rn] 5f6 7s2   

Crystal Structure
Orthorhombic (ORTH)   
Monoclinic (MON)   

Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
MON-Crystal-Structure-of-Plutonium.jpg#100   

Atom
  
  

Number of Protons
93   
25
94   
24

Number of Neutrons
144   
14
150   
11

Number of Electrons
93   
25
94   
24

Radius of an Atom
  
  

Atomic Radius
155.00 pm   
30
159.00 pm   
28

Covalent Radius
190.00 pm   
18
187.00 pm   
20

Van der Waals Radius
221.00 pm   
22
200.00 pm   
28

Atomic Weight
237.00 amu   
22
244.00 amu   
19

Atomic Volume
11.62 cm3/mol   
99+
12.32 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Uranium
  
Neptunium
  

Next Element
Plutonium
  
Americium
  

Valence Electron Potential
96.00 (-eV)   
9
64.90 (-eV)   
21

Lattice Constant
666.30 pm   
3
618.30 pm   
4

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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