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Atomic Structure of Tantalum and Gold

Tantalum
Gold
Atomic Structure of Gold and Tantalum


Atomic Properties
Atomic Number
73   
99+
79   
37
Electron Configuration
[Xe] 4f14 5d3 6s2   
[Xe] 4f14 5d10 6s1   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Gold.jpg#100   
Atom
  
  
Number of Protons
73   
99+
79   
37
Number of Neutrons
108   
28
118   
23
Number of Electrons
73   
99+
79   
37
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
151.00 pm   
32
Covalent Radius
170.00 pm   
25
144.00 pm   
40
Van der Waals Radius
200.00 pm   
28
166.00 pm   
39
Atomic Weight
180.95 amu   
38
196.97 amu   
33
Atomic Volume
10.90 cm3/mol   
99+
10.20 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Hafnium
  
Platinum
  
Next Element
Tungsten
  
Mercury
  
Valence Electron Potential
110.00 (-eV)   
7
43.40 (-eV)   
99+
Lattice Constant
330.13 pm   
99+
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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