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Atomic Structure of Promethium and Bismuth

Promethium
Bismuth
Atomic Structure of Bismuth and Promethium


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