The following data were collected for several compounds of iron and oxygen:   Mass of iron that combines with 1 g of oxygen Compound A 3.49 g Compound B 2.33 g Compound C 2.62 g   Which calculations should be performed to illustrate the law of multiple proportions? Group of answer choices a. determine the ratio of the mass of iron combining for one compound by that for another compound b. determine the mass of iron combining with 1 g oxygen for each compound c. determine the ratio of iron and oxygen atoms for each compound d. convert the ratio into a whole number fraction

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.