According to the atomic theory, atoms cannot be divided into parts. True False According to the law of multiple proportions, two elements can form two different compounds having the same mass ratio. True False According to the law of definite proportions, all water would contain the same ratio (by weight) of oxygen to hydrogen. True alse Mass is conserved during a chemical or physical process True False A molecule is the smallest part of a compound which has all the properties of the compound True False Atoms are pure substances c True False
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