MCAT Question of the Day 325– General Chemistry An atom with 7 neutrons and a mass number of 12 is an isotope of what element?BoronNitrogenMagnesiumPotassiumVote to see resultsVote By admin| 2016-06-28T04:32:59+00:00 June 28th, 2016|Comments Off on MCAT Question of the Day 325– General Chemistry Share This Story, Choose Your Platform! FacebookTwitterGoogle+Email
