Democritus lived from about 460 BC till about 370 BC. He did not make the atom, rather he came up with the idea that matter was composed of atoms.
Elements are made from one type of atom.
the ancient Greeks made the atom, but they had no proof after the discovery.
1898
atom is made up of subatomic particles:proton,electron and neutron.
An atom is made up of neutrons, electrons and protons.
An atom is made of one molecule.
A atom is a singular-celled organism so it cant be made out of anything.
Elements are made from one type of atom.
Elements are made from one type of atom.
Elements are made from one type of atom.
It is made up of 1 atom of mercury and 1 atom of oxygen.
Nearly all of an atom and mass is made up of protons and neutrons.