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Atomic Structure of Radium and Rhenium

Radium
Rhenium
Atomic Structure of Rhenium and Radium


Atomic Properties
Atomic Number
88   
30
75   
99+
Electron Configuration
[Rn] 7s2   
[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
88   
30
75   
40
Number of Neutrons
138   
16
111   
26
Number of Electrons
88   
30
75   
40
Radius of an Atom
  
  
Atomic Radius
Not Available   
137.00 pm   
40
Covalent Radius
221.00 pm   
3
151.00 pm   
34
Van der Waals Radius
283.00 pm   
4
200.00 pm   
28
Atomic Weight
226.00 amu   
26
186.21 amu   
36
Atomic Volume
45.20 cm3/mol   
4
8.85 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Tungsten
  
Next Element
Actinium
  
Osmium
  
Valence Electron Potential
20.10 (-eV)   
99+
180.00 (-eV)   
3
Lattice Constant
514.80 pm   
13
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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