When an atom loses or gains a charge, it becomes an? by Sunday | Aug 29 | Physics WAEC | 0 comments A. ion B. an electron C. a neutron D. a proton E. a deuteron Correct Answer: Option A – an electron Users Also Read These:When an atom gains an electron, it becomes propertiesThe nucleon number and the proton number of a…An atom W has 17 electrons and 18 neutrons. Which of…The atmosphere gains carbon dioxide through the…The nucleon and proton numbers of a neutral atom of…