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Atomic Structure of Thorium and Zirconium


Atomic Structure of Zirconium and Thorium


Atomic Properties

Atomic Number
90   
28
40   
99+

Electron Configuration
[Rn] 6d2 7s2   
[Kr] 4d2 5s2   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
HCP-Crystal-Structure-of-Zirconium.jpg#100   

Atom
  
  

Number of Protons
90   
28
40   
99+

Number of Neutrons
142   
15
51   
99+

Number of Electrons
90   
28
40   
99+

Radius of an Atom
  
  

Atomic Radius
179.80 pm   
15
160.00 pm   
27

Covalent Radius
206.00 pm   
7
175.00 pm   
23

Van der Waals Radius
237.00 pm   
15
200.00 pm   
28

Atomic Weight
232.04 amu   
23
91.22 amu   
99+

Atomic Volume
19.90 cm3/mol   
20
14.10 cm3/mol   
36

Adjacent Atomic Numbers
  
  

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Actinium
  
Yttrium
  

Next Element
Niobium
  

Valence Electron Potential
59.30 (-eV)   
23
80.00 (-eV)   
18

Lattice Constant
508.42 pm   
14
323.20 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.59   
8

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