Atom consists subatomic particles like proton, neutron and electron
Work Step by Step
According to the modern view of the structure of the atom, atom consists a nucleus surrounded by a negatively charged particles called electrons. The nucleus contains protons and neutrons. A neutral atom has equal number of protons and neutrons.The number of protons in an atom determines its atomic number while the number of protons plus the number of neutrons account for the mass of the atom.