What is the formula for Copper (1) Oxide

Particles vibrate in a rigid structure and do not move relative to their neighbors.

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

In salt water solution,the salt is the blank