What makes up protons neutrons and electrons
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Composition of Protons, Neutrons, and Electrons
Fundamental Particles: Protons, Neutrons, and Electrons
Protons, neutrons, and electrons are the fundamental particles that make up atoms. Protons carry a positive charge, neutrons are neutral, and electrons carry a negative charge. The mass of a proton is approximately equal to that of a neutron, both being about 2,000 times the mass of an electron 59.
Protons and Neutrons: Nucleons
Protons and neutrons, collectively known as nucleons, form the nucleus of an atom. Each proton and neutron is composed of smaller particles called quarks, specifically up and down quarks, which are held together by gluons, the force carriers of the strong nuclear force . The nucleus is held together by these strong forces, which are much stronger than the electromagnetic forces that act between protons and electrons .
Electrons: Orbiting the Nucleus
Electrons orbit the nucleus in various energy levels or shells. The number of electrons in an atom is equal to the number of protons, making the atom electrically neutral. The chemical properties of an atom are determined by the arrangement of these electrons .
Neutron Composition: Proton and Electron Hypothesis
There is a hypothesis that neutrons are composed of a proton and an electron. This view suggests that a neutron can be seen as a combination of these two particles, although this is a subject of ongoing debate and research 47. However, another perspective is that neutrons and protons are distinct elementary particles, with neutrons being neutral and protons positively charged 12.
Proton Composition: Quarks and Pions
Protons are made up of three quarks: two up quarks and one down quark. These quarks are held together by gluons. Some experiments suggest that protons and neutrons might also be composed of pions, which are themselves made of electrons and positrons . This complex structure highlights the intricate nature of subatomic particles.
Conclusion
In summary, protons, neutrons, and electrons are the building blocks of atoms. Protons and neutrons, which form the nucleus, are made up of quarks held together by gluons. Electrons orbit the nucleus and determine the chemical properties of the atom. The exact composition and interactions of these particles continue to be a rich field of study in particle physics.
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