Learning Focus:

• 7.6A-Compare and Contrast elements and compounds in terms of atoms and molecules, chemical symbols, and chemical formulas.

• 7.6B- Use the periodic table to identify the atoms and the number of each kind within a chemical formula. 

• 7.6C- Distinguish between physical and chemical changes in matter. 

• 7.6D- Describe aqueous solutions in terms of solute and solvent, concentrations, and dilution.

• 7.6E- Investigate and model how temperature, surface area, and agitation affect the rate of dissolution of solid solutes in aqueous solutions.