PPSC Assistant Director Population Welfare(BS-17)-2020, Geography MCQs, PPSC Solved Past Papers MCQsIsotopes are atoms of the same element with different number of? Posted on April 1, 2021 by Rana TahirA. Electrons B. Protons C. Neutrons D. PositronsShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)
