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Atomic Structure of Thorium and Berkelium


Atomic Structure of Berkelium and Thorium


Atomic Properties

Atomic Number
90   
28
97   
21

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

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

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

Atom
  
  

Number of Protons
90   
28
97   
21

Number of Neutrons
142   
15
150   
11

Number of Electrons
90   
28
97   
21

Radius of an Atom
  
  

Atomic Radius
179.80 pm   
15
170.00 pm   
22

Covalent Radius
206.00 pm   
7
Not Available   

Van der Waals Radius
237.00 pm   
15
Not Available   

Atomic Weight
232.04 amu   
23
247.00 amu   
18

Atomic Volume
19.90 cm3/mol   
20
Not Available   

Adjacent Atomic Numbers
  
  

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

Lattice Constant
508.42 pm   
14
341.60 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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