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Atomic Structure of Thorium and Curium

Thorium
Curium
Atomic Structure of Curium and Thorium


Atomic Properties
Atomic Number
90   
28
96   
22
Electron Configuration
[Rn] 6d2 7s2   
[Rn] 5f7 6d1 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-Curium.jpg#100   
Atom
  
  
Number of Protons
90   
28
96   
22
Number of Neutrons
142   
15
151   
10
Number of Electrons
90   
28
96   
22
Radius of an Atom
  
  
Atomic Radius
179.80 pm   
15
174.00 pm   
20
Covalent Radius
206.00 pm   
7
169.00 pm   
26
Van der Waals Radius
237.00 pm   
15
200.00 pm   
28
Atomic Weight
232.04 amu   
23
247.00 amu   
18
Atomic Volume
19.90 cm3/mol   
20
18.28 cm3/mol   
26
Adjacent Atomic Numbers
  
  
Previous Element
Actinium
  
Americium
  
Next Element
Protactinium
  
Berkelium
  
Valence Electron Potential
59.30 (-eV)   
23
44.50 (-eV)   
38
Lattice Constant
508.42 pm   
14
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
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