1. What scientific principle or law is used in the process of balancing chemical equations?
2. In balancing equations, why should you not change subscripts in chemical formulas?
3. Define the terms limiting reactant and excess reactant.
4. Why are the amounts of products formed in a reaction determined only by the amount of the limiting reactant?
5. Why should you base your choice of what compound is the limiting reactant on its number of initial moles, not on its initial mass in grams?
6. Explain why the general trend exists for elements getting smaller as you move across a period on the periodic table.
7. Explain the importance of the VSEPR Theory.