If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit 2: Chemical bonding

700 possible mastery points

About this unit

Discover how atoms and ions come together through chemical bonding! Learn about ionic bonds, covalent bonds, polyatomic ions, and metallic bonds, and how they lead to the fascinating substances that make up our world.

Level up on the above skills and collect up to 400 Mastery points

Practice

Level up on the above skills and collect up to 160 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 700 Mastery points!