Physics, 20.04.2021 15:10 stmy1969

Which option is an example of a pure substance? A. The compound strontium oxide
B. Carbon atoms spread evenly throughout iron atoms
C. A vinegar and oil salad dressing
D. A disc of silicon with stones of germanium in it

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Which option is an example of a pure substance? A. The compound strontium oxide
B. Carbon at...