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Atomic Structure of Yttrium and Thorium

Yttrium
Thorium
Atomic Structure of Thorium and Yttrium


Atomic Properties
Atomic Number
39   
99+
90   
28
Electron Configuration
[Kr] 4d1 5s2   
[Rn] 6d2 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
39   
99+
90   
28
Number of Neutrons
50   
99+
142   
15
Number of Electrons
39   
99+
90   
28
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
179.80 pm   
15
Covalent Radius
190.00 pm   
18
206.00 pm   
7
Van der Waals Radius
200.00 pm   
28
237.00 pm   
15
Atomic Weight
88.91 amu   
99+
232.04 amu   
23
Atomic Volume
19.80 cm3/mol   
21
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Strontium
  
Actinium
  
Next Element
Zirconium
  
Protactinium
  
Valence Electron Potential
48.00 (-eV)   
30
59.30 (-eV)   
23
Lattice Constant
364.74 pm   
31
508.42 pm   
14
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.57   
16
Not Available   
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