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Atomic Structure of Plutonium and Promethium

Plutonium
Promethium
Atomic Structure of Promethium and Plutonium


Atomic Properties
Atomic Number
94   
24
61   
99+
Electron Configuration
[Rn] 5f6 7s2   
[Xe] 4f5 6s2   
Crystal Structure
Monoclinic (MON)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100   
DHCP-Crystal-Structure-of-Promethium.jpg#100   
Atom
  
  
Number of Protons
94   
24
61   
99+
Number of Neutrons
150   
11
84   
40
Number of Electrons
94   
24
61   
99+
Radius of an Atom
  
  
Atomic Radius
159.00 pm   
28
183.00 pm   
10
Covalent Radius
187.00 pm   
20
199.00 pm   
12
Van der Waals Radius
200.00 pm   
28
236.00 pm   
16
Atomic Weight
244.00 amu   
19
145.00 amu   
99+
Atomic Volume
12.32 cm3/mol   
99+
22.39 cm3/mol   
12
Adjacent Atomic Numbers
  
  
Previous Element
Neptunium
  
Neodymium
  
Next Element
Americium
  
Samarium
  
Valence Electron Potential
64.90 (-eV)   
21
44.10 (-eV)   
39
Lattice Constant
618.30 pm   
4
Not Available   
Lattice Angles
NA   
Unknown   
Lattice C/A Ratio
Not Available   
Not Available   
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