## Chemistry: Molecular Approach (4th Edition)

a) $C_8H_{18}$ is an organic compound because it is made up of carbon, & hydrogen. b) $CH_3NH_2$ is an organic compound because it is made up of carbon, oxygen, & nitrogen. c)$CaO$ is an inorganic compound because it does not contain carbon. d) $FeCO_3$ is an inorganic compound because carbonates are considered to be inorganic.