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Atomic Structure of Curium and Neptunium

Curium
Neptunium
Atomic Structure of Neptunium and Curium


Atomic Properties
Atomic Number
96   
22
93   
25
Electron Configuration
[Rn] 5f7 6d1 7s2   
[Rn] 5f4 6d1 7s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Orthorhombic (ORTH)   
Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100   
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
Atom
  
  
Number of Protons
96   
22
93   
25
Number of Neutrons
151   
10
144   
14
Number of Electrons
96   
22
93   
25
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
155.00 pm   
30
Covalent Radius
169.00 pm   
26
190.00 pm   
18
Van der Waals Radius
200.00 pm   
28
221.00 pm   
22
Atomic Weight
247.00 amu   
18
237.00 amu   
22
Atomic Volume
18.28 cm3/mol   
26
11.62 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Americium
  
Uranium
  
Next Element
Berkelium
  
Plutonium
  
Valence Electron Potential
44.50 (-eV)   
38
96.00 (-eV)   
9
Lattice Constant
Not Available   
666.30 pm   
3
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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