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Atomic Structure of Curium and Protactinium

Curium
Protactinium
Atomic Structure of Protactinium and Curium


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