Final answer:
Calcium chloride, potassium iodide, and sodium chloride are ionic compounds, while ibuprofen, acetaminophen, and sucrose are covalent compounds.
Step-by-step explanation:
The listed substances can be grouped according to their properties into two categories: ionic compounds and covalent compounds.
Group 1: Ionic Compounds
- Calcium chloride (CaCl2)
 - Potassium iodide (KI)
 - Sodium chloride (NaCl)
 
Group 2: Covalent Compounds
- Ibuprofen (C13H18O2)
 - Acetaminophen (C8H9NO2)
 - Sucrose (C12H22O11)