Why can you get a
shock if you touch a metal doorknob after walking across a wool carpet?
You have gained electrons; the doorknob has no
electrons You have gained neutrons; the doorknob has fewer
neutrons You have lost electrons; the doorknob has many
electrons You have gained electrons; the doorknob has fewer
A child rubbed two
balloons with a piece of wool. What will happen when the balloons
are brought near each other?
the balloons will repel each other the balloons will attract each other the balloons will become positively charged the balloons will pop