an atom because everything is made up of atoms!
The basic building block of matter is the atom.
atoms are the building blocks of matter.
An atom is the smallest building block of matter that retains the characteristics of that matter.
An atom is the smallest building block of matter that retains the characteristics of that matter.
An atom is the smallest building block of matter that retains the characteristics of that matter.
carbon
molecules
An atom is a fundamental building block of matter. It consists of a nucleus composed of protons and neutrons, surrounded by electrons in orbit. Atoms combine to form molecules, which make up all substances found in the universe.
The building block of all matter...
An Atom. Molecules are two or more atoms chemically combined. Atoms are the basic building block of matter.
The basic building block of all matter is the atom.
An Atom