Middle schoolAtoms and molecules8 minLesson 6 of 15

Atoms, molecules, ions

When an atom bonds to another, it forms a molecule. When it loses or gains an electron, it becomes an ion. First examples.

What this lesson covers

  1. The atom: the building block of matter
  2. Molecules: atoms bonded together
  3. Ions: charged atoms
  4. Polyatomic ions
  5. Summary

This lesson is for members

The first 5 lessons of each level are open to everyone. Create a free account to read the rest: your progress follows you on every device.

Free · Google or email link, in a minute