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Atomic Structure of Yttrium and Scandium


Atomic Structure of Scandium and Yttrium


Atomic Properties

Atomic Number
39   
99+
21   
99+

Electron Configuration
[Kr] 4d1 5s2   
[Ar] 3d1 4s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   

Atom
  
  

Number of Protons
39   
99+
21   
99+

Number of Neutrons
50   
99+
24   
99+

Number of Electrons
39   
99+
21   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
162.00 pm   
26

Covalent Radius
190.00 pm   
18
170.00 pm   
25

Van der Waals Radius
200.00 pm   
28
211.00 pm   
25

Atomic Weight
88.91 amu   
99+
44.96 amu   
99+

Atomic Volume
19.80 cm3/mol   
21
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

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Strontium
  
Calcium
  

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Zirconium
  
Titanium
  

Valence Electron Potential
48.00 (-eV)   
30
58.00 (-eV)   
24

Lattice Constant
364.74 pm   
31
330.90 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   
7

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