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Atomic Structure of Osmium and Thallium

Osmium
Thallium
Atomic Structure of Thallium and Osmium


Atomic Properties
Atomic Number
76   
40
81   
35
Electron Configuration
[Xe] 4f14 5d6 6s2   
[Xe] 4f14 5d10 6s2 6p1   
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
81   
35
Number of Neutrons
114   
25
123   
20
Number of Electrons
76   
39
81   
35
Radius of an Atom
  
  
Atomic Radius
133.80 pm   
99+
170.00 pm   
22
Covalent Radius
Not Available   
145.00 pm   
39
Van der Waals Radius
216.00 pm   
24
196.00 pm   
30
Atomic Weight
190.23 amu   
35
204.38 amu   
31
Atomic Volume
8.49 cm3/mol   
99+
17.20 cm3/mol   
31
Adjacent Atomic Numbers
  
  
Previous Element
Rhenium
  
Mercury
  
Next Element
Iridium
  
Lead
  
Valence Electron Potential
91.40 (-eV)   
12
9.60 (-eV)   
99+
Lattice Constant
273.44 pm   
99+
345.66 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
1.60   
6
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