Is matter made of atoms or atoms are made of matter?

Yes. I know the "or" in the question was intended as an exclusive "or", but the inclusive interpretation is meaningful in this case. There is no justification of a dichotomy between atoms and matter. An atom is a form of matter. read more

I know the "or" in the question was intended as an exclusive "or", but the inclusive interpretation is meaningful in this case. There is no justification of a dichotomy between atoms and matter. An atom is a form of matter. There are forms of matter which are made up of atoms. But atoms themselves are made up of smaller forms of matter. read more

The Atom . Dalton's Atomic Theory (1803) All matter is composed of extremely small particles called atoms. All atoms of a given element are identical in size, mass, and other properties. Atoms of different elements differ in size, mass, and other properties. Atoms cannot be subdivided, created, or destroyed. read more