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Atomic Structure of Actinium and Niobium

Actinium
Niobium
Atomic Structure of Niobium and Actinium


Atomic Properties
Atomic Number
89   
29
41   
99+
Electron Configuration
[Rn] 6d1 7s2   
[Kr] 4d4 5s1   
Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
89   
29
41   
99+
Number of Neutrons
138   
16
52   
99+
Number of Electrons
89   
29
41   
99+
Radius of an Atom
  
  
Atomic Radius
195.00 pm   
7
146.00 pm   
35
Covalent Radius
Not Available   
164.00 pm   
28
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
227.00 amu   
25
92.91 amu   
99+
Atomic Volume
22.54 cm3/mol   
11
10.87 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Radium
  
Zirconium
  
Next Element
Thorium
  
Molybdenum
  
Valence Electron Potential
38.60 (-eV)   
99+
104.00 (-eV)   
8
Lattice Constant
567.00 pm   
8
330.04 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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