PPSC Past Paper Inspector Youth Affairs 2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe lightest Particle of the matter is? Posted on April 27, 2021 by Rana TahirA. Electron B. Proton C. Neutron D. DeuteronShare 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)