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Atomic Structure of Thorium and Osmium

Thorium
Osmium
Atomic Structure of Osmium and Thorium


Atomic Properties
Atomic Number
90   
28
76   
40
Electron Configuration
[Rn] 6d2 7s2   
[Xe] 4f14 5d6 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
90   
28
76   
39
Number of Neutrons
142   
15
114   
25
Number of Electrons
90   
28
76   
39
Radius of an Atom
  
  
Atomic Radius
179.80 pm   
15
133.80 pm   
99+
Covalent Radius
206.00 pm   
7
Not Available   
Van der Waals Radius
237.00 pm   
15
216.00 pm   
24
Atomic Weight
232.04 amu   
23
190.23 amu   
35
Atomic Volume
19.90 cm3/mol   
20
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Actinium
  
Rhenium
  
Next Element
Protactinium
  
Iridium
  
Valence Electron Potential
59.30 (-eV)   
23
91.40 (-eV)   
12
Lattice Constant
508.42 pm   
14
273.44 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
14
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