What net charge would you place on a 100 g piece of sulfur if you put an extra electron on
1 in 107 of its atoms? (Sulfur has an atomic mass of
32.1)

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?

In general what determines whether atoms will form chemical bonds?