It has a negative charge. It moves around the nucleus. It adds mass to the nucleus. It has a positive charge.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which statement best describes a neutron?
Possibilities:
- It has a negative charge.
- It moves around the nucleus.
- It adds mass to the nucleus.
- It has a positive charge.

It adds mass to the nucleus.