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OpenStudy (anonymous):
Compounds and elements are A. always solids B. mixtures C. pure substances D. dense
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OpenStudy (anonymous):
please help oh and sorry its a. always solids b.mixtures c.pure substances d.dense
OpenStudy (anonymous):
its not A because an element can be a gas. its not B because elements are not mixtures. Its C because even though compounds are made of 2 or more elements, to be a compound, the substance always has the same ratio of elements. if it has one element or atom different, its no longer the same compound. C is the answer
OpenStudy (anonymous):
thanks so much :)
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