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Atomic Structure of Thallium and Osmium

Thallium
Osmium
Atomic Structure of Osmium and Thallium


Atomic Properties
Atomic Number
81   
35
76   
40
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[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
81   
35
76   
39
Number of Neutrons
123   
20
114   
25
Number of Electrons
81   
35
76   
39
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
133.80 pm   
99+
Covalent Radius
145.00 pm   
39
Not Available   
Van der Waals Radius
196.00 pm   
30
216.00 pm   
24
Atomic Weight
204.38 amu   
31
190.23 amu   
35
Atomic Volume
17.20 cm3/mol   
31
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Mercury
  
Rhenium
  
Next Element
Lead
  
Iridium
  
Valence Electron Potential
9.60 (-eV)   
99+
91.40 (-eV)   
12
Lattice Constant
345.66 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
1.60   
6
1.58   
14
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