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Atomic Structure of Potassium and Rhenium

Potassium
Rhenium
Atomic Structure of Rhenium and Potassium


Atomic Properties
Atomic Number
19   
99+
75   
99+
Electron Configuration
[Ar] 4s1   
[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
19   
99+
75   
40
Number of Neutrons
20   
99+
111   
26
Number of Electrons
19   
99+
75   
40
Radius of an Atom
  
  
Atomic Radius
227.00 pm   
3
137.00 pm   
40
Covalent Radius
203.00 pm   
9
151.00 pm   
34
Van der Waals Radius
275.00 pm   
5
200.00 pm   
28
Atomic Weight
39.10 amu   
99+
186.21 amu   
36
Atomic Volume
45.46 cm3/mol   
3
8.85 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Tungsten
  
Next Element
Calcium
  
Osmium
  
Valence Electron Potential
10.40 (-eV)   
99+
180.00 (-eV)   
3
Lattice Constant
532.80 pm   
12
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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