File:Atomic-orbital-clouds_spd_m0.png · Wikimedia Commons · See Wikimedia Commons
Also known as electrons, e−, β−
一種帶電荷的基本粒子
OverviewAI-generated
The electron is a subatomic particle with an electric charge of -1. It possesses a spin quantum number of 0.5 and a parity quantum number of 1. Its mass is 0.51099895, and its magnetic moment is 1.00115965218059. The g-factor for the electron is -2.00231930436256.
The electron was discovered in 1897. It is assigned the Monte Carlo Particle Number "11". The subject is categorized under the Commons category "Electrons". It is referenced by 3,237 other encyclopedia articles. In PubMed, the query for electron yields a count of 1075229.
Synthesized by Vinony from 13 facts across 3 sources: Wikidata, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Key facts
- Particle.spin
- ħ
- Particle.name
- Electron
- Particle.image
- Atomic-orbital-clouds spd m0.png
- Particle.image_size
- 280px
- Particle.caption
- Hydrogen atomic orbitals at different energy levels. The more opaque areas are where one is most likely to find an electron at any given time.
- Particle.composition
- Elementary particle
- Particle.statistics
- Fermionic
- Particle.group
- Lepton
- Particle.generation
- First
- Particle.interaction
- Weak, electromagnetic, gravity
- Particle.antiparticle
- Positron
- Particle.theorized
- Richard Laming (1838–1851),G. Johnstone Stoney (1874) and others.
- Particle.discovered
- J. J. Thomson (1897)
- Particle.symbol
- ,
- Particle.mass
- []−1 Da
- Particle.electric_charge
- −
- Particle.mean_lifetime
- > (theoretically stable)
via Wikipedia infobox
Research
1,075,229 papers- Electron Transfer Beyond the Outer Membrane: Putting Electrons to Rest.ReviewAnnual review of microbiology · 2023Gralnick JA, Bond DRDOI: 10.1146/annurev-micro-032221-023725
- Microbial electron uptake in microbial electrosynthesis: a mini-review.ReviewJournal of industrial microbiology & biotechnology · 2019Karthikeyan R, Singh R, Bose ADOI: 10.1007/s10295-019-02166-6
- Complex II ambiguities-FADH(2) in the electron transfer system.ReviewThe Journal of biological chemistry · 2024Gnaiger EDOI: 10.1016/j.jbc.2023.105470
- Energetics, electron uptake mechanisms and limitations of electroautotrophs growing on biocathodes - A review.ReviewBioresource technology · 2021Massazza D, Robledo AJ, Rodriguez Simón CN et al.DOI: 10.1016/j.biortech.2021.125893
- Molecular Mechanisms of Microbial Extracellular Electron Transfer: The Importance of Multiheme Cytochromes.ReviewFrontiers in bioscience (Landmark edition) · 2022Paquete CM, Morgado L, Salgueiro CA et al.DOI: 10.31083/j.fbl2706174
- Reductive electron transfer and transport of excess electrons in DNA.ReviewAngewandte Chemie (International ed. in English) · 2003Wagenknecht HADOI: 10.1002/anie.200301629
- The electron's spin and molecular chirality - how are they related and how do they affect life processes?ReviewChemical Society reviews · 2016Michaeli K, Kantor-Uriel N, Naaman R et al.DOI: 10.1039/c6cs00369a
- Novel Outlook in Microbial Ecology: Nonmutualistic Interspecies Electron Transfer.ReviewTrends in microbiology · 2020Moscoviz R, Quéméner ED, Trably E et al.DOI: 10.1016/j.tim.2020.01.008
via PubMed
Wikidata facts
- Subclass of
- primary metabolite
- Named after
- amber
- Followed by
- muon
- Mass
- 0.000000000000000000000000000000910938356
- Image
- Single electron probability pattern.png
Show 16 more facts
- antiparticle
- positron
- electric charge
- -1
- Monte Carlo Particle Number
- 11
- Commons category
- Electrons
- interaction
- gravity
- topic's main category
- Category:Electron
- spin quantum number
- 0.5
- parity quantum number
- 1
- discoverer or inventor
- J. J. Thomson
- time of discovery or invention
- 1897-00-00
- magnetic moment
- 1.00115965218059
- opposite of
- proton
- g-factor
- -2.00231930436256
- different from
- Elektron
- Stack Exchange tag
- physics.stackexchange.com/tags/electrons
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
Sources (7)
via Wikidata · CC0
Article · 中文
电子(英語:Electron)是一种带有负电的次原子粒子,通常标记为 。電子是第一代轻子,以重力、電磁力和弱核力與其它粒子相互作用。轻子是构成物质的基本粒子之一,无法被分解为更小的粒子。电子带有1/2自旋,是一种费米子,根據泡利不相容原理,任何兩個電子都不能處於同樣的量子態。电子的反粒子是正电子,其质量、自旋、帶电量大小都与电子相同,但是电量正負性与电子相反。電子與正电子會因碰撞而互相湮滅,並在這過程中,生成一對以上的光子。 由电子與中子、质子所组成的原子,是物质的基本单位。相对于中子和质子所組成的原子核,电子的质量显得极小。质子的质量大约是电子质量的1836倍。当原子的电子数与质子数不等时,則該原子会带电;称該帶電原子为离子。带正电的离子叫阳离子,其電子數小於質子數;带负电的离子叫阴离子,其電子數大於質子數。若物体的电子數不等於質子數,导致正负电量不平衡时,則称该物体带静电。当正负电量平衡时,称物体的电性为电中性。靜電在日常生活中有很多用途,例如,靜電油漆系統能夠將或聚氨酯漆,均勻地噴灑於物品表面。 電子與質子之間的庫侖力能促使電子被束縛於原子內部,因此為束縛電子。兩個以上的原子,會交換或分享它們的束縛電子,這是化學鍵的主要成因。当电子不再被束縛於原子內部,而能够自由移动於原子以外的空間时,則稱此電子为自由电子。多個自由电子共同移动所产生的净流动现象称为电流。在許多物理現象裏,像電傳導、磁性或熱傳導,電子都扮演了重要角色。移動的電子會產生磁場,也會被外磁場偏轉。呈加速度運動的電子會產生電磁輻射現象。 根據大爆炸理論,宇宙現存的電子大部份都是生成於大爆炸事件。但也有一小部份是因為放射性物質的β衰變或高能量碰撞而生成的,例如,當宇宙線進入大氣層時遇到的碰撞。在另一方面,許多電子會因為與正子相碰撞而互相湮滅,或者,會在恆星內部製造新原子核的恆星核合成過程中被吸收。 在實驗室裏,像四極離子阱一類的精密尖端儀器,可以長時間束縛電子,以供觀察和測量。大型托卡馬克設施,像国际热核聚变实验反应堆,利用磁場來約束住高熱電漿中的電子和離子,借以實現受控核融合。無線電望遠鏡可以用來偵測外太空的電子電漿。 電子被广泛應用于電子束焊接、陰極射線管、電子顯微鏡、放射線治療、激光和粒子加速器等领域。
Abstract from DBpedia / Wikipedia · CC BY-SA
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