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Atomic Structure of Scandium and Lutetium


Atomic Structure of Lutetium and Scandium


Atomic Properties

Atomic Number
21   
99+
71   
99+

Electron Configuration
[Ar] 3d1 4s2   
[Xe] 6s2 4f14 5d1   

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

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

Atom
  
  

Number of Protons
21   
99+
71   
99+

Number of Neutrons
24   
99+
104   
30

Number of Electrons
21   
99+
71   
99+

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
174.00 pm   
20

Covalent Radius
170.00 pm   
25
187.00 pm   
20

Van der Waals Radius
211.00 pm   
25
221.00 pm   
22

Atomic Weight
44.96 amu   
99+
174.97 amu   
40

Atomic Volume
15.00 cm3/mol   
34
17.78 cm3/mol   
30

Adjacent Atomic Numbers
  
  

Previous Element
Calcium
  
Ytterbium
  

Next Element
Titanium
  
Hafnium
  

Valence Electron Potential
58.00 (-eV)   
24
50.90 (-eV)   
26

Lattice Constant
330.90 pm   
99+
350.31 pm   
99+

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

Lattice C/A Ratio
1.59   
7
1.59   
10

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