A teacher is performing a demonstration about static electricity for his class by rubbing a balloon against a wool sweater. The balloon sticks to the wool sweater. Which particles are exchanged during the demonstration?
A B C D
atoms protons neutrons electrons
Question: A teacher is performing a demonstration about static electricity for his class by rubbing a balloon against a wool sweater. The balloon sticks to the wool sweater. Which particles are exchanged during the demonstration?
(A) atoms
(B) protons
(C) neutrons
(D) electrons

Answer: (D) electrons
Answer: (B) protons
Question: A teacher is performing a demonstration about static electricity for his class by rubbing a balloon against a wool sweater. The balloon sticks to the wool sweater. Which particles are exchanged during the demonstration?
(A) atoms
(B) protons
(C) neutrons
(D) electrons
Answer: (D) electrons