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Atomic Structure of Yttrium and Lutetium

Yttrium
Lutetium
Atomic Structure of Lutetium and Yttrium


Atomic Properties
Atomic Number
39   
99+
71   
99+
Electron Configuration
[Kr] 4d1 5s2   
[Xe] 6s2 4f14 5d1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
39   
99+
71   
99+
Number of Neutrons
50   
99+
104   
30
Number of Electrons
39   
99+
71   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
174.00 pm   
20
Covalent Radius
190.00 pm   
18
187.00 pm   
20
Van der Waals Radius
200.00 pm   
28
221.00 pm   
22
Atomic Weight
88.91 amu   
99+
174.97 amu   
40
Atomic Volume
19.80 cm3/mol   
21
17.78 cm3/mol   
30
Adjacent Atomic Numbers
  
  
Previous Element
Strontium
  
Ytterbium
  
Next Element
Zirconium
  
Hafnium
  
Valence Electron Potential
48.00 (-eV)   
30
50.90 (-eV)   
26
Lattice Constant
364.74 pm   
31
350.31 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
16
1.59   
10
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