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Atomic Structure of Berkelium and Protactinium


Atomic Structure of Protactinium and Berkelium


Atomic Properties

Atomic Number
97   
21
91   
27

Electron Configuration
[Rn] 5f9 7s2   
[Rn] 5f2 6d1 7s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Tetragonal (TETR)   

Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   

Atom
  
  

Number of Protons
97   
21
91   
27

Number of Neutrons
150   
11
122   
21

Number of Electrons
97   
21
91   
27

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
163.00 pm   
25

Covalent Radius
Not Available   
200.00 pm   
11

Van der Waals Radius
Not Available   
243.00 pm   
11

Atomic Weight
247.00 amu   
18
231.04 amu   
24

Atomic Volume
Not Available   
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

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Thorium
  

Next Element
Uranium
  

Valence Electron Potential
45.50 (-eV)   
36
92.00 (-eV)   
11

Lattice Constant
341.60 pm   
99+
392.50 pm   
23

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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