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Atomic Structure of Roentgenium and Tantalum

Roentgenium
Tantalum
Atomic Structure of Tantalum and Roentgenium


Atomic Properties
Atomic Number
111   
7
73   
99+
Electron Configuration
[Rn] 5f14 6d9 7s2   
[Xe] 4f14 5d3 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
111   
7
73   
99+
Number of Neutrons
161   
3
108   
28
Number of Electrons
111   
7
73   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
146.00 pm   
35
Covalent Radius
Not Available   
170.00 pm   
25
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
281.00 amu   
6
180.95 amu   
38
Atomic Volume
Not Available   
10.90 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Darmstadtium
  
Hafnium
  
Next Element
Copernicium
  
Tungsten
  
Valence Electron Potential
Not Available   
110.00 (-eV)   
7
Lattice Constant
Not Available   
330.13 pm   
99+
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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