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Atomic Structure of Strontium and Rhenium

Strontium
Rhenium
Atomic Structure of Rhenium and Strontium


Atomic Properties
Atomic Number
38   
99+
75   
99+
Electron Configuration
[Kr] 5s2   
[Xe] 4f14 5d5 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
38   
99+
75   
40
Number of Neutrons
50   
99+
111   
26
Number of Electrons
38   
99+
75   
40
Radius of an Atom
  
  
Atomic Radius
215.00 pm   
5
137.00 pm   
40
Covalent Radius
195.00 pm   
15
151.00 pm   
34
Van der Waals Radius
249.00 pm   
7
200.00 pm   
28
Atomic Weight
87.62 amu   
99+
186.21 amu   
36
Atomic Volume
33.70 cm3/mol   
6
8.85 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rubidium
  
Tungsten
  
Next Element
Yttrium
  
Osmium
  
Valence Electron Potential
25.70 (-eV)   
99+
180.00 (-eV)   
3
Lattice Constant
608.49 pm   
6
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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