1.List and explain each step of the scientific method. Give an example of an observation that can be evaluated by the scientific method and use the method to explain the observation.

2.Compare and contrast covalent bonding and ionic bonding. Why do some atoms bond covalently and others ionically?

3.List the three important constituent parts of the atom; give location of these parts in the atom, and the electrical charge of each part. In addition, pick any element and give the numbers of each of these parts for that element.

What does the pH scale measure? Identify some substances that are high on the scale and some that are low on the scale.

4. What does the pH scale measure? Identify some substances that are high on the scale and some that are low on the scale.