2.6 Subatomic Particles: Protons, Neutrons, and Electrons in Atoms, 3.4 An Atomic-Level View of Elements and Compounds, 3.5 Ionic Compounds: Formulas and Names...
1. Atomic structure & The periodic table (atoms, elements, mixtures, separating techniques), 1. Atomic structure & The periodic table (history of the atom and development of periodic table, 1. Atomic structure & The periodic table (Group 1 & 7)...