Which of the following particles would be repelled by a proton?

• A. An electron
• B. A neutron
• C. Another proton
• D. A neutral atom

Answer: (C)

Verified step by step guidance

1. Recall that particles with like charges repel each other, while particles with opposite charges attract each other.
2. Identify the charge of a proton: a proton has a positive charge (+1).
3. Analyze the charge of each particle option: an electron has a negative charge (-1), a neutron is neutral (0), another proton has a positive charge (+1), and a neutral atom overall has no net charge (0).
4. Determine which particles would be repelled by a proton: since repulsion occurs between like charges, only particles with a positive charge will be repelled by a proton.
5. Conclude that another proton, having the same positive charge as the first proton, would be repelled, while the electron, neutron, and neutral atom would not be repelled.