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Atomic Structure of Niobium and Samarium

Niobium
Samarium
Atomic Structure of Samarium and Niobium


Atomic Properties
Atomic Number
41   
99+
62   
99+
Electron Configuration
[Kr] 4d4 5s1   
[Xe] 4f6 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Rhombohedral (RHO)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Samarium.jpg#100   
Atom
  
  
Number of Protons
41   
99+
62   
99+
Number of Neutrons
52   
99+
88   
39
Number of Electrons
41   
99+
62   
99+
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
180.00 pm   
14
Covalent Radius
164.00 pm   
28
198.00 pm   
13
Van der Waals Radius
200.00 pm   
28
229.00 pm   
20
Atomic Weight
92.91 amu   
99+
150.36 amu   
99+
Atomic Volume
10.87 cm3/mol   
99+
19.95 cm3/mol   
19
Adjacent Atomic Numbers
  
  
Previous Element
Zirconium
  
Promethium
  
Next Element
Molybdenum
  
Europium
  
Valence Electron Potential
104.00 (-eV)   
8
44.80 (-eV)   
37
Lattice Constant
330.04 pm   
99+
362.10 pm   
33
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
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