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The neutron has a mean-square radius of about 0.8 × 10 −15 m, or 0.8 fm, [20] and it is a spin-½ fermion. [21] The neutron has no measurable electric charge. With its positive electric charge, the proton is directly influenced by electric fields, whereas the neutron is unaffected by electric fields. [22]
Nov 7, 2024 · The neutron has no electric charge and a rest mass equal to 1.67492749804 × 10 −27 kg—marginally greater than that of the proton but 1,838.68 times greater than that of the electron. Neutrons and protons, commonly called nucleons , are bound together in the dense inner core of an atom , the nucleus, where they account for 99.9 percent of the atom’s mass.
- The Editors of Encyclopaedia Britannica
Protons and neutrons have approximately the same mass, but they are both much more massive than electrons (approximately 2,000 times as massive as an electron). The positive charge on a proton is equal in magnitude to the negative charge on an electron. As a result, a neutral atom must have an equal number of protons and electrons.
Jul 18, 2022 · Negative and positive charges of equal magnitude cancel each other out. This means that the negative charge on an electron perfectly balances the positive charge on the proton. In other words, a neutral atom must have exactly one electron for every proton. If a neutral atom has 1 proton, it must have 1 electron.
Jul 29, 2022 · Negative and positive charges of equal magnitude cancel each other out. This means that the negative charge on an electron perfectly balances the positive charge on the proton. In other words, a neutral atom must have exactly one electron for every proton. If a neutral atom has 1 proton, it must have 1 electron.
Neutrons, with protons and electrons, make up an atom. Neutrons and protons are found in the nucleus of an atom. [1][2][3] Unlike protons, which have a positive charge, or electrons, which have a negative charge, neutrons have zero charge [1][4] which means they are neutral particles. Neutrons bind with protons with the residual strong force.
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Neutrons, along with protons, are subatomic particles found inside the nucleus of every atom. The only exception is hydrogen, where the nucleus contains only a single proton. Neutrons have a neutral electric charge (neither negative nor positive) and have slightly more mass than positively charged protons. “Free” neutrons are those no ...
