What is the standard symbol for the mass of a neutron?

The standard symbol for the mass of a neutron is represented by "Mn." In the context of particle physics and nuclear chemistry, "Mn" specifically denotes the mass of a neutron, differentiating it from the masses of other subatomic particles.

Understanding the nomenclature is essential in scientific communication. Each particle has a specific symbol to avoid confusion; for example, protons are typically symbolized as "Mp." This standardization helps researchers and students alike to quickly identify and compare the properties of different particles.

The other options do not accurately represent the neutron's mass according to established conventions in physics. "Me," "Mh," and "Mo" correspond to other contexts or particles and do not specifically refer to neutron mass, thus reinforcing why "Mn" is the correct choice in this scenario.