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Atomic Structure of Tantalum and Ruthenium

Tantalum
Ruthenium
Atomic Structure of Ruthenium and Tantalum


Atomic Properties
Atomic Number
73   
99+
44   
99+
Electron Configuration
[Xe] 4f14 5d3 6s2   
[Kr] 4d7 5s1   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
rystal-Structure-of-Ruthenium.jpg#100   
Atom
  
  
Number of Protons
73   
99+
44   
99+
Number of Neutrons
108   
28
57   
99+
Number of Electrons
73   
99+
44   
99+
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
134.00 pm   
99+
Covalent Radius
170.00 pm   
25
146.00 pm   
38
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Atomic Weight
180.95 amu   
38
101.07 amu   
99+
Atomic Volume
10.90 cm3/mol   
99+
8.30 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Hafnium
  
Technetium
  
Next Element
Tungsten
  
Rhodium
  
Valence Electron Potential
110.00 (-eV)   
7
64.00 (-eV)   
22
Lattice Constant
330.13 pm   
99+
270.59 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
11
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