Chemistry Practice Problems Ionic and Covalent Bonds Practice Problems Solution: Classify each of the following substances as eithe...

Solution: Classify each of the following substances as either ionic or molecular.KCl                                    HClNH3                                   Ca(OH)2CO2                                   PbSMgBr2                                HC   2H3O2

Problem

Classify each of the following substances as either ionic or molecular.

KCl                                    HCl

NH3                                   Ca(OH)2

CO2                                   PbS

MgBr2                                HC   2H3O2

Solution
  • Recall that ionic compounds are usually composed of a nonmetal and a metal. 
  • On the other hand, molecular compounds are composed of exclusively non-metals
  • Using the periodic table below, we can classify each molecule if it is ionic or molecular by categorizing the atoms present in it
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