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Atomic Structure of Potassium and Fermium

Potassium
Fermium
Atomic Structure of Fermium and Potassium


Atomic Properties
Atomic Number
19   
99+
100   
18
Electron Configuration
[Ar] 4s1   
[Rn] 5f12 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Not Known   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
Unknown-Crystal-Structure-of-Fermium.jpg#100   
Atom
  
  
Number of Protons
19   
99+
100   
18
Number of Neutrons
20   
99+
157   
7
Number of Electrons
19   
99+
100   
18
Radius of an Atom
  
  
Atomic Radius
227.00 pm   
3
Not Available   
Covalent Radius
203.00 pm   
9
Not Available   
Van der Waals Radius
275.00 pm   
5
245.00 pm   
9
Atomic Weight
39.10 amu   
99+
257.00 amu   
15
Atomic Volume
45.46 cm3/mol   
3
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Einsteinium
  
Next Element
Calcium
  
Mendelevium
  
Valence Electron Potential
10.40 (-eV)   
99+
Not Available   
Lattice Constant
532.80 pm   
12
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
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