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Assess Interact Pre-Requisires Test & Enrich Pre – Requisite https://www.youtube.com/watch?list=PLEuUy4TjqFeBTVYVrEmfEN83b_OqigN-x&v=_eQhvZWUPMA English Version Speed Notes Notes For Quick Recap Atoms are the basic building blocks of matter. Different kinds of matter contain different kinds of atoms present in them. Protons were discovered by Ernest Rutherford, in his famous gold foil experiment. Electrons were discovered by J.J….