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Atomic Structure of Thulium and Thulium

Thulium
Thulium
Atomic Structure of Thulium and Thulium


Atomic Properties
Atomic Number
69   
99+
69   
99+
Electron Configuration
[Xe] 4f13 6s2   
[Xe] 4f13 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100   
HCP-Crystal-Structure-of-Thulium.jpg#100   
Atom
  
  
Number of Protons
69   
99+
69   
99+
Number of Neutrons
100   
32
100   
32
Number of Electrons
69   
99+
69   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
176.00 pm   
18
Covalent Radius
160.00 pm   
30
160.00 pm   
30
Atomic Weight
168.93 amu   
99+
168.93 amu   
99+
Atomic Volume
18.10 cm3/mol   
28
18.10 cm3/mol   
28
Adjacent Atomic Numbers
  
  
Previous Element
Erbium
  
Erbium
  
Next Element
Ytterbium
  
Ytterbium
  
Valence Electron Potential
49.70 (-eV)   
28
49.70 (-eV)   
28
Lattice Constant
353.75 pm   
40
353.75 pm   
40
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
17
1.57   
17
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