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Atomic Structure of Neptunium and Radium

Neptunium
Radium
Atomic Structure of Radium and Neptunium


Atomic Properties
Atomic Number
93   
25
88   
30
Electron Configuration
[Rn] 5f4 6d1 7s2   
[Rn] 7s2   
Crystal Structure
Orthorhombic (ORTH)   
Body Centered Cubic (BCC)   
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
93   
25
88   
30
Number of Neutrons
144   
14
138   
16
Number of Electrons
93   
25
88   
30
Radius of an Atom
  
  
Atomic Radius
155.00 pm   
30
Not Available   
Covalent Radius
190.00 pm   
18
221.00 pm   
3
Van der Waals Radius
221.00 pm   
22
283.00 pm   
4
Atomic Weight
237.00 amu   
22
226.00 amu   
26
Atomic Volume
11.62 cm3/mol   
99+
45.20 cm3/mol   
4
Adjacent Atomic Numbers
  
  
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Uranium
  
Francium
  
Next Element
Plutonium
  
Actinium
  
Valence Electron Potential
96.00 (-eV)   
9
20.10 (-eV)   
99+
Lattice Constant
666.30 pm   
3
514.80 pm   
13
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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