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Atomic Structure of Lanthanum and Lead


Atomic Structure of Lead and Lanthanum


Atomic Properties

Atomic Number
57   
99+
82   
34

Electron Configuration
[Xe] 5d2 6s2   
[Xe] 4f14 5d10 6s2 6p2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
FCC-Crystal-Structure-of-Lead.jpg#100   

Atom
  
  

Number of Protons
57   
99+
82   
34

Number of Neutrons
82   
99+
125   
19

Number of Electrons
57   
99+
82   
34

Radius of an Atom
  
  

Atomic Radius
187.00 pm   
8
175.00 pm   
19

Covalent Radius
207.00 pm   
6
146.00 pm   
38

Van der Waals Radius
240.00 pm   
13
202.00 pm   
27

Atomic Weight
138.91 amu   
99+
207.20 amu   
30

Atomic Volume
20.73 cm3/mol   
16
18.17 cm3/mol   
27

Adjacent Atomic Numbers
  
  

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Barium
  
Thallium
  

Next Element
Cerium
  
Bismuth
  

Valence Electron Potential
40.71 (-eV)   
99+
24.20 (-eV)   
99+

Lattice Constant
377.20 pm   
28
495.08 pm   
16

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
1.62   
2
Not Available   

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