HEL!! Protons are a subatomic particle. Which description below accurately describes a proton's charge, location, and mass?

a) A proton is in the nucleus, has no charge, and atomic mass of 1 amu.
b) A proton is outside the nucleus, has a negative charge, and is so small it doesn't contribute to the mass.
c) A proton is in the nucleus, has a positive charge, and an atomic mass of 1 amu.
d) A proton is outside the nucleus, has a positive charge, and is so small it doesn't contribute to the mass.

C) a proton is in the nucleus, has a positive charge, and an atomic mass of 1 amu.

Explanation:

Protons are positive so they give a positive charge, they are also never outside of the nucleus.  Only electrons are outside the nucleus.

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