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Atomic Structure of Actinium and Rhenium

Actinium
Rhenium
Atomic Structure of Rhenium and Actinium


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