Mixture a was made by mixing different components together, but it appears to have one phase. which term  best  categorizes mixture a?

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

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