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Atomic Structure of Neptunium and Curium


Atomic Structure of Curium and Neptunium


Atomic Properties

Atomic Number
93   
25
96   
22

Electron Configuration
[Rn] 5f4 6d1 7s2   
[Rn] 5f7 6d1 7s2   

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

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

Atom
  
  

Number of Protons
93   
25
96   
22

Number of Neutrons
144   
14
151   
10

Number of Electrons
93   
25
96   
22

Radius of an Atom
  
  

Atomic Radius
155.00 pm   
30
174.00 pm   
20

Covalent Radius
190.00 pm   
18
169.00 pm   
26

Van der Waals Radius
221.00 pm   
22
200.00 pm   
28

Atomic Weight
237.00 amu   
22
247.00 amu   
18

Atomic Volume
11.62 cm3/mol   
99+
18.28 cm3/mol   
26

Adjacent Atomic Numbers
  
  

Previous Element
Uranium
  
Americium
  

Next Element
Plutonium
  
Berkelium
  

Valence Electron Potential
96.00 (-eV)   
9
44.50 (-eV)   
38

Lattice Constant
666.30 pm   
3
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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