the periodic table below shows the ionic charges for selected elements. use the periodic table to answer…

the periodic table below shows the ionic charges for selected elements. use the periodic table to answer questions 1 - 3. which chemical formula below is correct for the simplest ratio of potassium (k) and sulfur (s)? a. k₃s b. k₂s₂ c. k₂s d. ks

the periodic table below shows the ionic charges for selected elements. use the periodic table to answer questions 1 - 3. which chemical formula below is correct for the simplest ratio of potassium (k) and sulfur (s)? a. k₃s b. k₂s₂ c. k₂s d. ks

Answer

Explanation:

Step1: Determine ionic charges

Potassium (K) forms a +1 ion ($K^+$) and sulfur (S) forms a -2 ion ($S^{2 -}$).

Step2: Balance charges

To balance the charges in an ionic compound, we need 2 potassium ions to balance the -2 charge of 1 sulfur ion.

Answer:

C. $K_2S$