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  1. Neutron - Wikipedia

    Free neutron beams are obtained from neutron sources by neutron transport. For access to intense neutron sources, researchers must go to a specialized neutron facility that operates a …

  2. Neutron | Definition, Charge, Mass, Properties, & Facts ...

    Oct 14, 2025 · Neutron, neutral subatomic particle that, in conjunction with protons, makes up the nucleus of every atom except ordinary hydrogen (whose nucleus has one proton and no …

  3. What is Neutron | Definition & Properties | nuclear-power.com

    A neutron is one of the subatomic particles that make up matter. The neutron has no electric charge and a rest mass equal to 1.67493E−27 kg — marginally greater than that of the proton …

  4. What Is a Neutron? Physics and Chemistry Definition

    Dec 13, 2018 · Each neutron is a type of subatomic particle called a baryon that consists of 1 up quark and 2 down quarks. The existence of the neutron was proposed by Ernest Rutherford in …

  5. DOE Explains...Neutrons | Department of Energy

    Fast Facts The neutron was first discovered in 1932. All around us is a faint, natural “background” of free neutrons created by cosmic rays entering our atmosphere and by natural radioactivity …

  6. Neutron: Definition, Characteristics, & Location with Example

    Feb 3, 2023 · A neutron is an uncharged sub-atomic particle found in all atomic nuclei and has a mass similar to a proton. A neutron is thus one of the three particles that constitute an atom.

  7. Science Made Simple: What Are Neutrons? - SciTechDaily

    Jun 10, 2023 · Neutrons, subatomic particles found in every atom except hydrogen, are used in scientific research for nondestructive analysis of materials through a method called neutron …