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Atomic Structure of Neptunium and Tungsten

Neptunium
Tungsten
Atomic Structure of Tungsten and Neptunium


Atomic Properties
Atomic Number
93   
25
74   
99+
Electron Configuration
[Rn] 5f4 6d1 7s2   
[Xe] 4f14 5d4 6s2   
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
74   
99+
Number of Neutrons
144   
14
110   
27
Number of Electrons
93   
25
74   
99+
Radius of an Atom
  
  
Atomic Radius
155.00 pm   
30
139.00 pm   
39
Covalent Radius
190.00 pm   
18
162.00 pm   
29
Van der Waals Radius
221.00 pm   
22
200.00 pm   
28
Atomic Weight
237.00 amu   
22
183.84 amu   
37
Atomic Volume
11.62 cm3/mol   
99+
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Uranium
  
Tantalum
  
Next Element
Plutonium
  
Rhenium
  
Valence Electron Potential
96.00 (-eV)   
9
140.00 (-eV)   
5
Lattice Constant
666.30 pm   
3
316.52 pm   
99+
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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