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Atomic Structure of Vanadium and Protactinium

Vanadium
Protactinium
Atomic Structure of Protactinium and Vanadium


Atomic
Atomic Number
23  
99+
91  
27
Electron Configuration
[Ar] 3d3 4s2  
[Rn] 5f2 6d1 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Tetragonal (TETR)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
TETR-Crystal-Structure-of-Protactinium.jpg#100  
Atom
  
  
Number of Protons
23  
99+
91  
27
Number of Neutrons
28  
99+
122  
22
Number of Electrons
23  
99+
91  
27
Radius of an Atom
  
  
Atomic Radius
134.00 pm  
99+
163.00 pm  
27
Covalent Radius
153.00 pm  
35
200.00 pm  
11
Van der Waals Radius
200.00 pm  
35
243.00 pm  
15
Atomic Weight
50.94 amu  
99+
231.04 amu  
24
Atomic Volume
8.78 cm3/mol  
99+
15.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Titanium
  
Thorium
  
Next Element
Chromium
  
Uranium
  
Valence Electron Potential
120.00 (-eV)  
6
92.00 (-eV)  
11
Lattice Constant
303.00 pm  
99+
392.50 pm  
26
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.70  
9
1.58  
36
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