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Atomic Structure of Promethium and Lead


Atomic Structure of Lead and Promethium


Atomic Properties

Atomic Number
61   
99+
82   
34

Electron Configuration
[Xe] 4f5 6s2   
[Xe] 4f14 5d10 6s2 6p2   

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

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

Atom
  
  

Number of Protons
61   
99+
82   
34

Number of Neutrons
84   
40
125   
19

Number of Electrons
61   
99+
82   
34

Radius of an Atom
  
  

Atomic Radius
183.00 pm   
10
175.00 pm   
19

Covalent Radius
199.00 pm   
12
146.00 pm   
38

Van der Waals Radius
236.00 pm   
16
202.00 pm   
27

Atomic Weight
145.00 amu   
99+
207.20 amu   
30

Atomic Volume
22.39 cm3/mol   
12
18.17 cm3/mol   
27

Adjacent Atomic Numbers
  
  

Previous Element
Neodymium
  
Thallium
  

Next Element
Samarium
  
Bismuth
  

Valence Electron Potential
44.10 (-eV)   
39
24.20 (-eV)   
99+

Lattice Constant
Not Available   
495.08 pm   
16

Lattice Angles
Unknown   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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