Question

which two particles of the atom have nearly identical masses? answer: a a proton and an electron. b a proton and a neutron. c a neutron and an electron. d no two particles have similar masses.

Explanation:

Protons and neutrons are found in the nucleus of an atom. A proton has a mass of approximately 1.6726219 × 10⁻²⁷ kg and a neutron has a mass of approximately 1.674927471 × 10⁻²⁷ kg, which are nearly identical. Electrons, on the other hand, are much lighter with a mass of about 9.10938356 × 10⁻³¹ kg.

Answer:

B. A proton and a neutron