Which is a force that holds atoms together? chemical bond
electron shell
valence electron
chemical formula

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

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