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**Which of the following represents an empirical formula?

A point on the frontier of the production possibilities curve is:

The most important factor in the chemical behavior of an atom is the

Attendance will be graded once a week for my online course.

Convex lenses are also called ________ lenses.

**When hydrocarbons and carbohydrates burn with sufficient O 2 they

What day will you take the final ? (when answering, put either Dec 12 or Dec 13)

Where can a student find assignments and due dates?

You are allowed no more than ______ absences from this course throughout the semester.

Atoms of an element tend to gain or lose electrons so that they will