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Atomic Structure of Berkelium and Thorium


Atomic Structure of Thorium and Berkelium


Atomic Properties

Atomic Number
97   
21
90   
28

Electron Configuration
[Rn] 5f9 7s2   
[Rn] 6d2 7s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   

Atom
  
  

Number of Protons
97   
21
90   
28

Number of Neutrons
150   
11
142   
15

Number of Electrons
97   
21
90   
28

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
179.80 pm   
15

Covalent Radius
Not Available   
206.00 pm   
7

Van der Waals Radius
Not Available   
237.00 pm   
15

Atomic Weight
247.00 amu   
18
232.04 amu   
23

Atomic Volume
Not Available   
19.90 cm3/mol   
20

Adjacent Atomic Numbers
  
  

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Actinium
  

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Valence Electron Potential
45.50 (-eV)   
36
59.30 (-eV)   
23

Lattice Constant
341.60 pm   
99+
508.42 pm   
14

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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