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Atomic Structure of Neptunium and Berkelium


Atomic Structure of Berkelium and Neptunium


Atomic Properties

Atomic Number
93   
25
97   
21

Electron Configuration
[Rn] 5f4 6d1 7s2   
[Rn] 5f9 7s2   

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

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

Atom
  
  

Number of Protons
93   
25
97   
21

Number of Neutrons
144   
14
150   
11

Number of Electrons
93   
25
97   
21

Radius of an Atom
  
  

Atomic Radius
155.00 pm   
30
170.00 pm   
22

Covalent Radius
190.00 pm   
18
Not Available   

Van der Waals Radius
221.00 pm   
22
Not Available   

Atomic Weight
237.00 amu   
22
247.00 amu   
18

Atomic Volume
11.62 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Uranium
  
Curium
  

Next Element
Plutonium
  

Valence Electron Potential
96.00 (-eV)   
9
45.50 (-eV)   
36

Lattice Constant
666.30 pm   
3
341.60 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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