Chemistry, 30.11.2020 21:30, amanquen35

When Phillip analyzed an unknown substance X, he found that it contained only one kind of atom. Phillip was unable to convert the substance to a simpler one. What is substance X? A. a compound B. an element C. a heterogeneous mixture D. a homogeneous mixture

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When Phillip analyzed an unknown substance X, he found that it contained only one kind of atom. Phil...