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Strong force
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- Protons and neutrons aren’t electrically attracted to each other, but when they get close enough they can exchange particles called mesons and become bound together by the strong force. Considerable energy is required to separate nucleons once they are bound. Protons electrically repel each other because of their positive charge.
sciencenotes.org/why-protons-and-neutrons-stick-together-in-the-atomic-nucleus/Why Protons and Neutrons Stick Together in the Atomic Nucleus
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Feb 19, 2020 · At a range of 1 femtometer to 3 femtometers, the strong force binds nucleons (protons and neutrons) together to form the atomic nucleus. It’s also the force that forms protons and neutrons from their quarks.
Nov 6, 2019 · How the Strong Force Works. Protons and neutrons are made up of smaller subatomic particles. When protons or neutrons get close enough to each other, they exchange particles (mesons), binding them together. Once they are bound, it takes considerable energy to break them apart.
- Anne Marie Helmenstine, Ph.D.
All protons are positively charged, and as a result repel each other. So the fact that atoms even exist points to a force able to overcome this repulsion. Called the strong interaction, its origins lie in the particles lurking inside both protons and neutrons, called quarks.
The Strong Force is a force which attracts protons to protons and neutrons to neutrons, and protons and neutrons to each other. This force has a very short range, and this is the reason why a nucleus is very very small.
Mar 4, 2013 · Not only are neutrons needed to make protons stick together, protons are needed to make the neutrons stick together too. If the number of protons and neutrons becomes very large, then the electrical repulsion pushing the protons apart has to be compensated by the addition of a few extra neutrons.
As long as the quarks are sharing gluons between each other, they stick very close to each other and the particle doesn't fall apart. This is called the color force and it's the force that holds protons and neutrons together as protons and neutrons.
Jul 16, 2024 · Since nuclear forces are short ranged, and the Coulomb force is long ranged, an excess of neutrons keeps the protons a little farther apart, reducing Coulomb repulsion. Decay modes of nuclides out of the region of stability consistently produce nuclides closer to the region of stability.
