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Atomic Structure of Osmium and Lutetium


Atomic Structure of Lutetium and Osmium


Atomic Properties

Atomic Number
76   
40
71   
99+

Electron Configuration
[Xe] 4f14 5d6 6s2   
[Xe] 6s2 4f14 5d1   

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
71   
99+

Number of Neutrons
114   
25
104   
30

Number of Electrons
76   
39
71   
99+

Radius of an Atom
  
  

Atomic Radius
133.80 pm   
99+
174.00 pm   
20

Covalent Radius
Not Available   
187.00 pm   
20

Van der Waals Radius
216.00 pm   
24
221.00 pm   
22

Atomic Weight
190.23 amu   
35
174.97 amu   
40

Atomic Volume
8.49 cm3/mol   
99+
17.78 cm3/mol   
30

Adjacent Atomic Numbers
  
  

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Rhenium
  
Ytterbium
  

Next Element
Iridium
  
Hafnium
  

Valence Electron Potential
91.40 (-eV)   
12
50.90 (-eV)   
26

Lattice Constant
273.44 pm   
99+
350.31 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
1.59   
10

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