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Atomic Structure of Bismuth and Promethium

Bismuth
Promethium
Atomic Structure of Promethium and Bismuth


Atomic Properties
Atomic Number
83   
33
61   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p3   
[Xe] 4f5 6s2   
Crystal Structure
Rhombohedral (RHO)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100   
DHCP-Crystal-Structure-of-Promethium.jpg#100   
Atom
  
  
Number of Protons
83   
33
61   
99+
Number of Neutrons
126   
18
84   
40
Number of Electrons
83   
33
61   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
183.00 pm   
10
Covalent Radius
148.00 pm   
36
199.00 pm   
12
Van der Waals Radius
207.00 pm   
26
236.00 pm   
16
Atomic Weight
208.98 amu   
29
145.00 amu   
99+
Atomic Volume
21.30 cm3/mol   
14
22.39 cm3/mol   
12
Adjacent Atomic Numbers
  
  
Previous Element
Lead
  
Neodymium
  
Next Element
Polonium
  
Samarium
  
Valence Electron Potential
41.90 (-eV)   
99+
44.10 (-eV)   
39
Lattice Constant
667.40 pm   
2
Not Available   
Lattice Angles
NA   
Unknown   
Lattice C/A Ratio
Not Available   
Not Available   
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