Chemistry, 14.07.2019 17:20 floreschachi2873

According to early chemists, which substances were classified as elements? a. those that could not be broken down further by chemical means b. those that could not be broken down further by physical means c. those that had an atomic mass that could be measured d. those that had higher numbers of protons in their atoms

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According to early chemists, which substances were classified as elements? a. those that could not...