Respuesta :

nkirotedoreen46

Answer:

KF

Explanation:

  • Chemical formula is a formula of a compound that shows the elements making up the compound.
  • It also shows the number of atoms of each element making up the compound.

In this case;

  • To know the chemical formula of potassium fluoride we need to;
  • Identify the elements present and their symbols; Potassium-K and Fluoride-F
  • Then identify the valency of each element; K¹ and F¹
  • Then the two elements exchange the valencies and written as subscripts
  • That is; K₁F₁
  • The chemical formula is therefore, KF

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