Answered

An atom contains one proton, one electron, and one neutron. Which two particles are most similar in mass?

A. the neutron and the electron
B. the proton and the electron
C. the proton and the neutron
D. the neutron and the atom



Answer :

GinnyAnswer

Final answer:

Neutrons and protons are the particles most similar in mass in an atom, with electrons being significantly lighter.


Explanation:

Neutrons and protons are the two particles most similar in mass in an atom. While protons have a mass of approximately 1.0073 amu and neutrons have a slightly heavier mass of about 1.0087 amu, they are much more massive compared to electrons, which have a mass of approximately 0.00055 amu.


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