1. Atomic Structure and Isotopes – Calculation of the relative isotopic mass of silicon’s third stable isotope from given abundance data. 2. Identification of Ions through Flame Tests – Observation of characteristic colors in flame tests for different cations and their reactions with sodium hydroxide. 3. Group 7 Reactivity Trends – Explanation of displacement reactions among halogens and their reactivity with metals. 4. Electronegativity and Bonding Continuum – Discussion of how electronegativity differences influence bonding types across Period 3 elements. 5. Redox Reactions and Oxidation States – Analysis of oxidation-reduction reactions involving iodine and sulfuric acid, including the identification of oxidizing and reducing agents. 6. Experimental Determination of Molar Volume – Calculation of carbon dioxide’s molar volume using gas collection data and application of the ideal gas equation.