Answer
$CF_2Cl_2$ - molecular compound
$CCl_4$ - molecular compound
$PtO_2$ - ionic compound
$SO_3$ - molecular compound
Work Step by Step
$CF_2Cl_2$ - molecular compound, because it is composed of non-metals
$CCl_4$ - molecular compound, because it is composed of 2 non-metals
$PtO_2$ - ionic compound, because it is composed of a metal and a non-metal
$SO_3$ - molecular compound, because it is composed of 2 non-metals
