About 545,000 results
Open links in new tab
  1. Neutron - Wikipedia

    The neutron is a subatomic particle, symbol n or n0 , that has no electric charge, and a mass slightly greater than that of a proton. The neutron was discovered by James Chadwick in 1932, …

  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 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 …

  4. 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 …

  5. 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 …

  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. Peter Beck discusses Neutron development as maiden flight ...

    Oct 3, 2025 · Rocket Lab’s ambitious push to launch its Neutron medium-lift rocket before the end of the year is entering the home stretch, with CEO Sir Peter Beck telling NSF that his team is …

  8. What is a Neutron? (with pictures) - AllTheScience

    May 21, 2024 · A neutron is a tiny subatomic particle that can be found in practically all forms of conventional matter, with the only stable exception being the hydrogen atom.

  9. 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 …

  10. Neutron Basics | Understanding Particles

    May 29, 2024 · A neutron is one of the three main particles that make up an atom, the other two being protons and electrons. Unlike protons and electrons, neutrons do not possess a charge; …