So what we know with a half life is the time it will take 50% of an unstable nuclide to decay. Just as we know that in one toss, 50% of coins will land on heads. The question is can we accurately predict which specific nuclides decay

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