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Atomic Structure of Tungsten and Neptunium

Tungsten
Neptunium
Atomic Structure of Neptunium and Tungsten


Atomic Properties
Atomic Number
74   
99+
93   
25
Electron Configuration
[Xe] 4f14 5d4 6s2   
[Rn] 5f4 6d1 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Orthorhombic (ORTH)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
Atom
  
  
Number of Protons
74   
99+
93   
25
Number of Neutrons
110   
27
144   
14
Number of Electrons
74   
99+
93   
25
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
155.00 pm   
30
Covalent Radius
162.00 pm   
29
190.00 pm   
18
Van der Waals Radius
200.00 pm   
28
221.00 pm   
22
Atomic Weight
183.84 amu   
37
237.00 amu   
22
Atomic Volume
9.53 cm3/mol   
99+
11.62 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Tantalum
  
Uranium
  
Next Element
Rhenium
  
Plutonium
  
Valence Electron Potential
140.00 (-eV)   
5
96.00 (-eV)   
9
Lattice Constant
316.52 pm   
99+
666.30 pm   
3
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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