OraNakonechny OraNakonechny

04-11-2014
Chemistry

Answered

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

Answer :

ttstreb ttstreb

04-11-2014

B. Those who could not be broken down chemically anymore than they already were

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