Answer:
Protons and neutrons
Step-by-step explanation:
The structure of an atom consists of :
Proton: Proton are the particles which carry positive charge. They are present inside the nucleus of an atom.
Neutron: Neutrons carry no charge. They are also present inside the nucleus of an atom.
Electron: Electron can be described as the negative particles of an atom. They are present outside the nucleus of an atom. The electrons orbit around the nucleus of the atom.