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Atomic Structure of Protactinium and 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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