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Atomic Structure of Protactinium and Curium

Protactinium
Curium
Atomic Structure of Curium and Protactinium


Atomic Properties
Atomic Number
91   
27
96   
22
Electron Configuration
[Rn] 5f2 6d1 7s2   
[Rn] 5f7 6d1 7s2   
Crystal Structure
Tetragonal (TETR)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100   
DHCP-Crystal-Structure-of-Curium.jpg#100   
Atom
  
  
Number of Protons
91   
27
96   
22
Number of Neutrons
122   
21
151   
10
Number of Electrons
91   
27
96   
22
Radius of an Atom
  
  
Atomic Radius
163.00 pm   
25
174.00 pm   
20
Covalent Radius
200.00 pm   
11
169.00 pm   
26
Van der Waals Radius
243.00 pm   
11
200.00 pm   
28
Atomic Weight
231.04 amu   
24
247.00 amu   
18
Atomic Volume
15.00 cm3/mol   
34
18.28 cm3/mol   
26
Adjacent Atomic Numbers
  
  
Previous Element
Thorium
  
Americium
  
Next Element
Uranium
  
Berkelium
  
Valence Electron Potential
92.00 (-eV)   
11
44.50 (-eV)   
38
Lattice Constant
392.50 pm   
23
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
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