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…When ammonia and hydrogen ion bond together to form…An atom X consists of 6 protons, 6 electrons and 7…A metallic ion Z2+ with an inert gas structure…An atom W has 17 electrons and 18 neutrons. Which of…