The smallest unit of charge is -1.6 * 10^-19 C, which is the charge (in coulombs) of a single electron.

Robert Millikan was able to measure the charge on small droplets of oil by suspending them between a pair of electrically charged plates. Which of the following are possible charges of those oil droplets?

A. - 1.2 * 10^-19 C
B. - 3.2 * 10^-19 C
C. - 4.8 * 10^-19 C
D. - 5.6 * 10^-19 C
E. - 8.0 * 10^-19 C
F. - 9.4 * 10^-19 C

Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.

Why is the structure of molecule important to its function?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth