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Atomic Structure of Rhenium and 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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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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