<prompt> Karolo ea boraro e kholo ea athomo ke efe?nan  <response>: Instruction in English: What is the third major component of an atom? . Response in English: The third major component of an atom is electron. An atom is composed of three major types of subatomic particles: protons, neutrons, and electrons. Protons and neutrons are found in the nucleus at the center of the atom, while electrons move around the nucleus in orbits known as electron shells. . Response in Sesotho: Karolo ea boraro e kholo ea athomo ke electron. Athomo e entsoe ka mefuta e meraro e meholo ea likaroloana tsa subatomic: liproton, li-neutron le lielektrone. Li-proton le li-neutron li fumanoa khubung e bohareng ba athomo, ha lielektrone li potoloha khubu ka litsela tse tsejoang e le likhetla tsa elektronike. 