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Atomic Structure of Osmium and Neptunium

Osmium
Neptunium
Atomic Structure of Neptunium and Osmium


Atomic Properties
Atomic Number
76   
40
93   
25
Electron Configuration
[Xe] 4f14 5d6 6s2   
[Rn] 5f4 6d1 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Orthorhombic (ORTH)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
Atom
  
  
Number of Protons
76   
39
93   
25
Number of Neutrons
114   
25
144   
14
Number of Electrons
76   
39
93   
25
Radius of an Atom
  
  
Atomic Radius
133.80 pm   
99+
155.00 pm   
30
Covalent Radius
Not Available   
190.00 pm   
18
Van der Waals Radius
216.00 pm   
24
221.00 pm   
22
Atomic Weight
190.23 amu   
35
237.00 amu   
22
Atomic Volume
8.49 cm3/mol   
99+
11.62 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rhenium
  
Uranium
  
Next Element
Iridium
  
Plutonium
  
Valence Electron Potential
91.40 (-eV)   
12
96.00 (-eV)   
9
Lattice Constant
273.44 pm   
99+
666.30 pm   
3
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.58   
14
Not Available   
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