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Atomic Structure of Osmium and Rhenium


Atomic Structure of Rhenium and Osmium


Atomic Properties

Atomic Number
76   
40
75   
99+

Electron Configuration
[Xe] 4f14 5d6 6s2   
[Xe] 4f14 5d5 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
76   
39
75   
40

Number of Neutrons
114   
25
111   
26

Number of Electrons
76   
39
75   
40

Radius of an Atom
  
  

Atomic Radius
133.80 pm   
99+
137.00 pm   
40

Covalent Radius
Not Available   
151.00 pm   
34

Van der Waals Radius
216.00 pm   
24
200.00 pm   
28

Atomic Weight
190.23 amu   
35
186.21 amu   
36

Atomic Volume
8.49 cm3/mol   
99+
8.85 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Rhenium
  
Tungsten
  

Next Element
Iridium
  
Osmium
  

Valence Electron Potential
91.40 (-eV)   
12
180.00 (-eV)   
3

Lattice Constant
273.44 pm   
99+
276.10 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.58   
14
1.62   
3

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