Classic Quiz Sciences12 QUESTIONSQ1. A pure substance that cannot be broken down into any simpler pieces.A) ElementsB) NetutronC) CompoundQ2. The smallest unit of an element that retains the properties of that element.A) ProtronB) AtomsC) NucleusQ3. A particle in the nucleus of an atom that carries one unit of positive electric charge.A) MoleculesB) Periodic TableC) Protron Classic Quiz Lesson E-2 (Science) by Izzy927 77 played - 14 yrs ago Science Lesson E-2 medium12QUESTIONSSciences Izzy927
