Question

what is the main difference between protons and neutrons? protons have a much smaller mass than neutrons. protons have a much larger volume than neutrons. protons have an electrical charge, but neutrons have no charge. protons make up the nucleus, but neutrons orbit around the nucleus.

Explanation:

Protons are positively - charged particles in the nucleus, while neutrons are neutral particles in the nucleus. Their charge is the main difference.

Answer:

Protons have an electrical charge, but neutrons have no charge.