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Atomic Structure of Promethium and Uranium

Promethium
Uranium
Atomic Structure of Uranium and Promethium


Atomic Properties
Atomic Number
61   
99+
92   
26
Electron Configuration
[Xe] 4f5 6s2   
[Rn] 5f3 6d1 7s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Orthorhombic (ORTH)   
Crystal Lattice
DHCP-Crystal-Structure-of-Promethium.jpg#100   
ORTH-Crystal-Structure-of-Uranium.jpg#100   
Atom
  
  
Number of Protons
61   
99+
92   
26
Number of Neutrons
84   
40
146   
13
Number of Electrons
61   
99+
92   
26
Radius of an Atom
  
  
Atomic Radius
183.00 pm   
10
156.00 pm   
29
Covalent Radius
199.00 pm   
12
196.00 pm   
14
Van der Waals Radius
236.00 pm   
16
186.00 pm   
33
Atomic Weight
145.00 amu   
99+
238.03 amu   
21
Atomic Volume
22.39 cm3/mol   
12
12.59 cm3/mol   
40
Adjacent Atomic Numbers
  
  
Previous Element
Neodymium
  
Protactinium
  
Next Element
Samarium
  
Neptunium
  
Valence Electron Potential
44.10 (-eV)   
39
170.00 (-eV)   
4
Lattice Constant
Not Available   
295.08 pm   
99+
Lattice Angles
Unknown   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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