Asample of carbon-12 a mass of 6.00g. how many atoms of carbon-12 are in the sample?

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

Salt in oceans comes from and of rocks

What three things does a balanced equation show you?