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Atomic Structure of Calcium and Gold

Calcium
Gold
Atomic Structure of Gold and Calcium


Atomic Properties
Atomic Number
20   
99+
79   
37
Electron Configuration
[Ar] 4s2   
[Xe] 4f14 5d10 6s1   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Calcium.jpg#100   
FCC-Crystal-Structure-of-Gold.jpg#100   
Atom
  
  
Number of Protons
20   
99+
79   
37
Number of Neutrons
20   
99+
118   
23
Number of Electrons
20   
99+
79   
37
Radius of an Atom
  
  
Atomic Radius
197.00 pm   
6
151.00 pm   
32
Covalent Radius
176.00 pm   
22
144.00 pm   
40
Van der Waals Radius
231.00 pm   
19
166.00 pm   
39
Atomic Weight
40.08 amu   
99+
196.97 amu   
33
Atomic Volume
29.90 cm3/mol   
7
10.20 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Potassium
  
Platinum
  
Next Element
Scandium
  
Mercury
  
Valence Electron Potential
29.00 (-eV)   
99+
43.40 (-eV)   
99+
Lattice Constant
558.84 pm   
9
407.82 pm   
21
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
1.61   
4
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