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Atomic Structure of Lead and Thulium


Atomic Structure of Thulium and Lead


Atomic Properties

Atomic Number
82   
34
69   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p2   
[Xe] 4f13 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Lead.jpg#100   
HCP-Crystal-Structure-of-Thulium.jpg#100   

Atom
  
  

Number of Protons
82   
34
69   
99+

Number of Neutrons
125   
19
100   
32

Number of Electrons
82   
34
69   
99+

Radius of an Atom
  
  

Atomic Radius
175.00 pm   
19
176.00 pm   
18

Covalent Radius
146.00 pm   
38
160.00 pm   
30

Van der Waals Radius
202.00 pm   
27
Not Available   

Atomic Weight
207.20 amu   
30
168.93 amu   
99+

Atomic Volume
18.17 cm3/mol   
27
18.10 cm3/mol   
28

Adjacent Atomic Numbers
  
  

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Thallium
  
Erbium
  

Next Element
Bismuth
  
Ytterbium
  

Valence Electron Potential
24.20 (-eV)   
99+
49.70 (-eV)   
28

Lattice Constant
495.08 pm   
16
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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