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Atomic Structure of Tungsten and Thulium

Tungsten
Thulium
Atomic Structure of Thulium and Tungsten


Atomic Properties
Atomic Number
74   
99+
69   
99+
Electron Configuration
[Xe] 4f14 5d4 6s2   
[Xe] 4f13 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Thulium.jpg#100   
Atom
  
  
Number of Protons
74   
99+
69   
99+
Number of Neutrons
110   
27
100   
32
Number of Electrons
74   
99+
69   
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
176.00 pm   
18
Covalent Radius
162.00 pm   
29
160.00 pm   
30
Van der Waals Radius
200.00 pm   
28
Not Available   
Atomic Weight
183.84 amu   
37
168.93 amu   
99+
Atomic Volume
9.53 cm3/mol   
99+
18.10 cm3/mol   
28
Adjacent Atomic Numbers
  
  
Previous Element
Tantalum
  
Erbium
  
Next Element
Rhenium
  
Ytterbium
  
Valence Electron Potential
140.00 (-eV)   
5
49.70 (-eV)   
28
Lattice Constant
316.52 pm   
99+
353.75 pm   
40
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.57   
17
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