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Atomic Structure of Curium and 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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