Senior Chemistry Scientific Investigation Skills and Career Exploration Matter, Chemical Trends, and Chemical Bonding (3U) / Matter and Qualitative Analysis (4C) Chemical Reactions (3U) Quantities in Chemical Reactions (3U/4C) Solutions and Solubility (3U) / Chemistry in the Environment (4C) Gases and Atmospheric Chemistry (3U) Organic Chemistry (4C/4U) Structure and Properties of Matter (4U) Energy Changes and Rates of Reaction (4U) Chemical Systems and Equilibrium (4U) Electrochemistry (4C/4U) Back to: