Afonso630 Afonso630

10-12-2014
Chemistry

Answered

Which procedure did early chemists use to determine which substances were elements? A. They observed the substances that made up individual atoms. B. They mixed several substances together and observed the results. C. They broke down mixtures by chemical means. D. They physically broke down the elements they discovered.

Verified Answer :

10-12-2014

C.
They broke down mixtures by chemical means.

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