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Atomic Structure of Curium and 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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