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Atomic Structure of Rhenium and Actinium

Rhenium
Actinium
Atomic Structure of Actinium and Rhenium


Atomic Properties
Atomic Number
75   
99+
89   
29
Electron Configuration
[Xe] 4f14 5d5 6s2   
[Rn] 6d1 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Actinium.jpg#100   
Atom
  
  
Number of Protons
75   
40
89   
29
Number of Neutrons
111   
26
138   
16
Number of Electrons
75   
40
89   
29
Radius of an Atom
  
  
Atomic Radius
137.00 pm   
40
195.00 pm   
7
Covalent Radius
151.00 pm   
34
Not Available   
Van der Waals Radius
200.00 pm   
28
Not Available   
Atomic Weight
186.21 amu   
36
227.00 amu   
25
Atomic Volume
8.85 cm3/mol   
99+
22.54 cm3/mol   
11
Adjacent Atomic Numbers
  
  
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Tungsten
  
Radium
  
Next Element
Osmium
  
Thorium
  
Valence Electron Potential
180.00 (-eV)   
3
38.60 (-eV)   
99+
Lattice Constant
276.10 pm   
99+
567.00 pm   
8
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.62   
3
Not Available   
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