How to fart like a master 831453

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

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Word equation for k(s) +h2o(l) yield koh (aq) + h2