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Atomic Structure of Potassium and Roentgenium


Atomic Structure of Roentgenium and Potassium


Atomic Properties

Atomic Number
19   
99+
111   
7

Electron Configuration
[Ar] 4s1   
[Rn] 5f14 6d9 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+
111   
7

Number of Neutrons
20   
99+
161   
3

Number of Electrons
19   
99+
111   
7

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
Not Available   

Atomic Weight
39.10 amu   
99+
281.00 amu   
6

Atomic Volume
45.46 cm3/mol   
3
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Aluminium
  

Next Element
Calcium
  

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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