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Atomic Structure of Rhenium and Osmium


Atomic Structure of Osmium and Rhenium


Atomic Properties

Atomic Number
75   
99+
76   
40

Electron Configuration
[Xe] 4f14 5d5 6s2   
[Xe] 4f14 5d6 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
75   
40
76   
39

Number of Neutrons
111   
26
114   
25

Number of Electrons
75   
40
76   
39

Radius of an Atom
  
  

Atomic Radius
137.00 pm   
40
133.80 pm   
99+

Covalent Radius
151.00 pm   
34
Not Available   

Van der Waals Radius
200.00 pm   
28
216.00 pm   
24

Atomic Weight
186.21 amu   
36
190.23 amu   
35

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

Adjacent Atomic Numbers
  
  

Previous Element
Tungsten
  
Rhenium
  

Next Element
Osmium
  
Iridium
  

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

Lattice Constant
276.10 pm   
99+
273.44 pm   
99+

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

Lattice C/A Ratio
1.62   
3
1.58   
14

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