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Atomic Structure of Francium and Rhenium


Atomic Structure of Rhenium and Francium


Atomic Properties

Atomic Number
87   
31
75   
99+

Electron Configuration
[Rn] 7s1   
[Xe] 4f14 5d5 6s2   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
87   
31
75   
40

Number of Neutrons
136   
17
111   
26

Number of Electrons
87   
31
75   
40

Radius of an Atom
  
  

Atomic Radius
Not Available   
137.00 pm   
40

Covalent Radius
260.00 pm   
1
151.00 pm   
34

Van der Waals Radius
348.00 pm   
1
200.00 pm   
28

Atomic Weight
223.00 amu   
27
186.21 amu   
36

Atomic Volume
Not Available   
8.85 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Polonium
  
Tungsten
  

Next Element
Radium
  
Osmium
  

Valence Electron Potential
8.00 (-eV)   
99+
180.00 (-eV)   
3

Lattice Constant
Not Available   
276.10 pm   
99+

Lattice Angles
NA   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.62   
3

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