Question

which two subatomic particles have roughly the same mass? * protons and electrons neutrons and electrons protons and neutrons

Explanation:

Protons and neutrons are found in the nucleus of an atom. Protons have a mass of approximately 1.6726219 × 10⁻²⁷ kg and neutrons have a mass of about 1.674927471 × 10⁻²⁷ kg, which are roughly equal. Electrons, on the other hand, have a much smaller mass (about 9.10938356 × 10⁻³¹ kg).

Answer:

Protons and Neutrons