Atoms can be seen with the naked eye.
Atoms do not have mass.
Atoms make up every substance around you.

Atoms make up every substance around you. True

Explanation:

Atoms can be seen with the naked eye. False because atoms are very very very sma

Atoms do not have mass. False, atoms do have mass although it is very sma as welll

Atoms make up every substance around you. True, similar to how cells make up different things like tissues, and tissues make organs and so on, atoms make up everything around us.