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1.  What are Isotopes (definition)?  Atoms with the same proton number but different nucleon number.  Isotopes have identical chemical process since they have the…

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Importance of Radioactivity Radioactivity Radioactivity - refers to the spontaneous emission of particles or high-energy electromagnetic radiation from the nuclei of unstable…

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1 1. Define atoms, molecules and ions, • An atom is the neutral particle of an element that can take part in a chemical reaction. • A molecule is a neutral particle consist…

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Chapter 1 1.1 Atoms and Molecules At the end of this topic, students should be able to: Identify and describe proton, electron and neutron. Define proton no.,Z, nucleon no.,…