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Atomic Structure of Potassium and Radium

Potassium
Radium
Atomic Structure of Radium and Potassium


Atomic Properties
Atomic Number
19   
99+
88   
30
Electron Configuration
[Ar] 4s1   
[Rn] 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
19   
99+
88   
30
Number of Neutrons
20   
99+
138   
16
Number of Electrons
19   
99+
88   
30
Radius of an Atom
  
  
Atomic Radius
227.00 pm   
3
Not Available   
Covalent Radius
203.00 pm   
9
221.00 pm   
3
Van der Waals Radius
275.00 pm   
5
283.00 pm   
4
Atomic Weight
39.10 amu   
99+
226.00 amu   
26
Atomic Volume
45.46 cm3/mol   
3
45.20 cm3/mol   
4
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Francium
  
Next Element
Calcium
  
Actinium
  
Valence Electron Potential
10.40 (-eV)   
99+
20.10 (-eV)   
99+
Lattice Constant
532.80 pm   
12
514.80 pm   
13
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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