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Atomic Structure of Iron and Neptunium


Atomic Structure of Neptunium and Iron


Atomic Properties

Atomic Number
26   
99+
93   
25

Electron Configuration
[Ar] 3d6 4s2   
[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
26   
99+
93   
25

Number of Neutrons
30   
99+
144   
14

Number of Electrons
26   
99+
93   
25

Radius of an Atom
  
  

Atomic Radius
126.00 pm   
99+
155.00 pm   
30

Covalent Radius
132.00 pm   
99+
190.00 pm   
18

Van der Waals Radius
200.00 pm   
28
221.00 pm   
22

Atomic Weight
55.85 amu   
99+
237.00 amu   
22

Atomic Volume
7.10 cm3/mol   
99+
11.62 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Manganese
  
Uranium
  

Next Element
Cobalt
  
Plutonium
  

Valence Electron Potential
67.00 (-eV)   
20
96.00 (-eV)   
9

Lattice Constant
286.65 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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