A student has a balloon that looks shiny like a metal and wants to perform an experiment to determine if it contains any metal. Which of the following procedures could possibly determine if the balloon contains metal? Charge the balloon, hold it near an electroscope, and determine if the electroscope leaves move. Charge the balloon, hold it near an electroscope, and determine if the electroscope leaves move. A. Charge the balloon, hold it near small pieces of paper, and see if it picks up any of the paper. Charge the balloon, hold it near small pieces of paper, and see if it picks up any of the paper.
B. Hold a positively charged rod near the uncharged balloon, then hold a negatively charged rod near the uncharged balloon, and observe whether the balloon acquires a net charge. Hold a positively charged rod near the uncharged balloon, then hold a negatively charged rod near the uncharged balloon, and observe whether the balloon acquires a net charge.
C. Hold a positively charged rod near the uncharged balloon, then hold a negatively charged rod near the uncharged balloon, and observe whether the balloon is attracted or repelled by the rods.