You observe that a negatively charged plastic pen repels a charged piece of magic tape. You then observe that the same
piece of tape is repelled when brought near a metal sphere. You are wearing rubber soled shoes, and you touch the metal
sphere with your hand. After you touch the metal sphere, you observe that the tape is attracted to the metal sphere. Which
of the following statements could be true? Check all that apply.
(A) Electrons from the sphere traveled through your body into the Earth.
(B) Electrons from the sphere moved into the salt water on your skin, where they reacted with sodium ions.
(C) After you touched it, the metal sphere was very nearly neutral.
(D) Chloride ions from the salt water on your hand moved onto the sphere.
(E) The excess negative charge from the sphere spread out all over your body.
(F) Electrons from your hand moved onto the sphere.
(G) Sodium ions from the salt water on your hand moved onto the sphere.