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Atomic Structure of Rhenium and Niobium

Rhenium
Niobium
Atomic Structure of Niobium and Rhenium


Atomic
Atomic Number
75  
99+
41  
99+
Electron Configuration
[Xe] 4f14 5d5 6s2  
[Kr] 4d4 5s1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
75  
40
41  
99+
Number of Neutrons
111  
27
52  
99+
Number of Electrons
75  
40
41  
99+
Radius of an Atom
  
  
Atomic Radius
137.00 pm  
99+
146.00 pm  
37
Covalent Radius
151.00 pm  
36
164.00 pm  
30
Van der Waals Radius
200.00 pm  
35
200.00 pm  
35
Atomic Weight
186.21 amu  
36
92.91 amu  
99+
Atomic Volume
8.85 cm3/mol  
99+
10.87 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
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Tungsten
  
Zirconium
  
Next Element
Osmium
  
Molybdenum
  
Valence Electron Potential
180.00 (-eV)  
3
104.00 (-eV)  
8
Lattice Constant
276.10 pm  
99+
330.04 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.62  
17
1.47  
99+
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