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Atomic Structure of Scandium and Gold

Scandium
Gold
Atomic Structure of Gold and Scandium


Atomic Properties
Atomic Number
21   
99+
79   
37
Electron Configuration
[Ar] 3d1 4s2   
[Xe] 4f14 5d10 6s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
FCC-Crystal-Structure-of-Gold.jpg#100   
Atom
  
  
Number of Protons
21   
99+
79   
37
Number of Neutrons
24   
99+
118   
23
Number of Electrons
21   
99+
79   
37
Radius of an Atom
  
  
Atomic Radius
162.00 pm   
26
151.00 pm   
32
Covalent Radius
170.00 pm   
25
144.00 pm   
40
Van der Waals Radius
211.00 pm   
25
166.00 pm   
39
Atomic Weight
44.96 amu   
99+
196.97 amu   
33
Atomic Volume
15.00 cm3/mol   
34
10.20 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Calcium
  
Platinum
  
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Titanium
  
Mercury
  
Valence Electron Potential
58.00 (-eV)   
24
43.40 (-eV)   
99+
Lattice Constant
330.90 pm   
99+
407.82 pm   
21
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
7
1.61   
4
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