Select twc of the unit student learning outcome (USLO) prompts below to respond to in this week’s discussion. Identify the atom and its components. 2. Differentiate between elements and compounds formed by ionic or covalent bonds. 3. Differentiate the types of chemical reactions and associated terminology. 4. Describe the structure and function of water and its role in living systems. 5. Differentiate the functional roles of acids, bases, and buffers. 6. Differentiate the structures and functions of major organic molecules.