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4. What is the difference between the two compounds?

a compound different from a molecule?

Molecule is a substance with two or more atoms bonded together such as the oxygen humans breathe (O2). Elements are pure substances made up of all the same atoms such as gold (Au), hydrogen (H), and oxygen (O). ... Compounds are two or more elements bonded together such as table salt (NaCl).

Explanation:

hope this helps

they are diffrent by the way that atoms bind togther

Explanation:

if the atom is a diffrent structure thier diffrnt componds

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.