negatively charged and has a negligible mass negatively charged and part of the nucleus positively charged and part of the nucleus negatively charged and orbits the nucleus
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which best describes a proton?
Possibilities:
- negatively charged and has a negligible mass
- negatively charged and part of the nucleus
- positively charged and part of the nucleus
- negatively charged and orbits the nucleus

positively charged and part of the nucleus