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Atomic Structure of Rhenium and Radium

Rhenium
Radium
Atomic Structure of Radium and Rhenium


Atomic Properties
Atomic Number
75   
99+
88   
30
Electron Configuration
[Xe] 4f14 5d5 6s2   
[Rn] 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
75   
40
88   
30
Number of Neutrons
111   
26
138   
16
Number of Electrons
75   
40
88   
30
Radius of an Atom
  
  
Atomic Radius
137.00 pm   
40
Not Available   
Covalent Radius
151.00 pm   
34
221.00 pm   
3
Van der Waals Radius
200.00 pm   
28
283.00 pm   
4
Atomic Weight
186.21 amu   
36
226.00 amu   
26
Atomic Volume
8.85 cm3/mol   
99+
45.20 cm3/mol   
4
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Francium
  
Next Element
Osmium
  
Actinium
  
Valence Electron Potential
180.00 (-eV)   
3
20.10 (-eV)   
99+
Lattice Constant
276.10 pm   
99+
514.80 pm   
13
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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