Question

Classify the substances as atomic elements, molecular elements, molecular compounds, or ionic compounds. CO2, HCl, Al2S3, Cd, F2,Ag,O2,NaCl

Answers

what don't you understand?

Surely you can at least pick out the elements, and then see which are atoms and which are molecules.

And take a stab at the compounds; the ionic ones usually involve a metal and a halogen.

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