An atom of an element X gains two electrons. The symbol of the ion formed is? by Sunday | May 7 | Chemistry WAEC | 0 comments A. X + B. X 2+ C. X 2- D. X – Correct Answer: Option C C. X 2- Users Also Read These:The nucleon number and the proton number of a…An atom X consists of 6 protons, 6 electrons and 7…What is the mass number of an element if its atom…The nucleon number and the proton number of a…The nucleon number and the proton number of a…