neutron
nucleon (constituent of the nucleus of the atom) that has neutral electric charge (no charge); symbol n
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Summary
neutron is an isotope of neutronium[1]. neutron draws 9,465 Wikipedia views per month (isotope of neutronium category, ranking #1 of 2).[2]
Key Facts
- Discoverer or inventor: James Chadwick[3]
- Instance of: type of quantum particle[4]
- Followed by: dineutron[5]
- Location of discovery: Cavendish Laboratory Of Experimental Physics[6]
- Subclass of: nucleon[7], neutral particle[8], baryon[9], fermion[10]
- Part of: atomic nucleus[11], neutronium[12]
- Commons category: Neutrons[13]
- Interaction: weak interaction[14], strong interaction[15], gravity[16], electromagnetic interaction[17]
- Has part(s): up quark[18], down quark[19]
- Time of discovery or invention: 1932[20]
- Decays to: protium[21]
- Topic's main category: Category:Neutron[22]
- Atomic number: 0[23]
- G-factor: -3.8260845[24]
- Spin quantum number: 0.5[25]
- Parity quantum number: 1[26]
- Isospin quantum number: 0.5[27]
- Neutron number: 1[28]
- Monte Carlo Particle Number: 2112[29]
- Stack Exchange tag: https://physics.stackexchange.com/tags/neutrons[30], https://chemistry.stackexchange.com/tags/neutrons[31], https://astronomy.stackexchange.com/tags/neutrons[32]
- Equivalent class: https://w3id.org/emmo#EMMO_df808271_df91_4f27_ba59_fa423c51896c[33]
- Different from: neutronium[34]
- Mass: 1.00866491582 dalton[35], 939.565413 megaelectronvolt per speed of light squared[36], 1.0086649159 dalton[37], 1.008966491595 dalton[38]
- Magnetic moment: -1.91304273 nuclear magneton[39], -1.9130427 nuclear magneton[40]
- Half-life: 10.183 minutes[41]
Why It Matters
neutron has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[42] neutron is known by 29 alternative names across languages and contexts.[43]