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Atomic Structure of Manganese and Neptunium

Manganese
Neptunium
Atomic Structure of Neptunium and Manganese


Atomic Properties
Atomic Number
25   
99+
93   
25
Electron Configuration
[Ar] 3d5 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
25   
99+
93   
25
Number of Neutrons
30   
99+
144   
14
Number of Electrons
25   
99+
93   
25
Radius of an Atom
  
  
Atomic Radius
127.00 pm   
99+
155.00 pm   
30
Covalent Radius
139.00 pm   
99+
190.00 pm   
18
Van der Waals Radius
200.00 pm   
28
221.00 pm   
22
Atomic Weight
54.94 amu   
99+
237.00 amu   
22
Atomic Volume
1.39 cm3/mol   
99+
11.62 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Chromium
  
Uranium
  
Next Element
Iron
  
Plutonium
  
Valence Electron Potential
220.00 (-eV)   
2
96.00 (-eV)   
9
Lattice Constant
891.25 pm   
1
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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