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Atomic Structure of Bismuth and Lanthanum


Atomic Structure of Lanthanum and Bismuth


Atomic Properties

Atomic Number
83   
33
57   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p3   
[Xe] 5d2 6s2   

Crystal Structure
Rhombohedral (RHO)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   

Atom
  
  

Number of Protons
83   
33
57   
99+

Number of Neutrons
126   
18
82   
99+

Number of Electrons
83   
33
57   
99+

Radius of an Atom
  
  

Atomic Radius
156.00 pm   
29
187.00 pm   
8

Covalent Radius
148.00 pm   
36
207.00 pm   
6

Van der Waals Radius
207.00 pm   
26
240.00 pm   
13

Atomic Weight
208.98 amu   
29
138.91 amu   
99+

Atomic Volume
21.30 cm3/mol   
14
20.73 cm3/mol   
16

Adjacent Atomic Numbers
  
  

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Polonium
  
Cerium
  

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

Lattice Constant
667.40 pm   
2
377.20 pm   
28

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

Lattice C/A Ratio
Not Available   
1.62   
2

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