Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: 
neutron : An uncharged particle with a mass nearly equal to that of the proton. Neutrons can be found in the nucleus of the atom.


Question: What is the name of an uncharged particle whose weight is nearly equal to that of a proton?
a neutron
Neutron.