Answer
A. ionic, one type of ion
B. molecular
C. molecular
D. ionic, more than one type of ion.
Work Step by Step
Molecular compounds consist of 2 non-metals that are covalently bonded together. Ionic molecules have a metal cation and are bonded ionically. The alkali metal potassium only has a +1 charge, but tin can have +2 or +4 charges depending on the compound.