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Textbook Expert
Textbook ExpertVerified Tutor
13 Nov 2021

Given information

Here, K (potassium) is a nonmetal with a valence electron 1

          S (Sulfur) is a metal with a valence electron 6 

  when nonmetal (Sulfur) reacts with metal (potassium) there forms an ionic bond hence  (potassium sulfide) is an ionic compound.

     is having a total 8 valence electron

Sulfur gets electrons from Potassium to complete the octet. hence K develops + charge on it and S have 2- negative charge.

 

Step-by-step explanation

Step 1.

when nonmetal (Sulfur) reacts with metal (potassium) there forms an ionic bond hence  (potassium sulfide) is an ionic compound.

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