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Atomic Structure of Lutetium and Scandium

Lutetium
Scandium
Atomic Structure of Scandium and Lutetium


Atomic Properties
Atomic Number
71   
99+
21   
99+
Electron Configuration
[Xe] 6s2 4f14 5d1   
[Ar] 3d1 4s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   
Atom
  
  
Number of Protons
71   
99+
21   
99+
Number of Neutrons
104   
30
24   
99+
Number of Electrons
71   
99+
21   
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
162.00 pm   
26
Covalent Radius
187.00 pm   
20
170.00 pm   
25
Van der Waals Radius
221.00 pm   
22
211.00 pm   
25
Atomic Weight
174.97 amu   
40
44.96 amu   
99+
Atomic Volume
17.78 cm3/mol   
30
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Calcium
  
Next Element
Hafnium
  
Titanium
  
Valence Electron Potential
50.90 (-eV)   
26
58.00 (-eV)   
24
Lattice Constant
350.31 pm   
99+
330.90 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.59   
10
1.59   
7
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