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Question

If you rub a neutral glass rod with silk, the silk acquires a negative charge. If you rub a neutral glass rod with a rubber rod, the rubber rod acquires a negative charge. If you rub a neutral rubber rod with silk, the rubber rod acquires a negative charge. Which of the three materials has the strongest attraction for electrons? How do you know?

Answer 1

both silk and rubber attract electrons from glass

rubber attracts electrons from silk , so it has the strongest attraction