File:Chlorine_in_bottle.jpg · Wikimedia Commons · See Wikimedia Commons

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کلر

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Also known as Cl, element 17, bertholite, ₁₇Cl

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OverviewAI-generated

Chlorine is a chemical element with the symbol Cl and atomic number 17. It has a mass of 35.45 and an electronegativity of 3. The element exhibits oxidation states of 1, 2, -1, and 3. Its electron configuration is [Ne] 3s² 3p⁵ or 1s² 2s² 2p⁶ 3s² 3p⁵. The ionization energy is 11.48, and the ionic radius is 1.81.

The element was discovered in 1774. It is referenced by 3,134 other encyclopedia articles. In medical literature, there are 68,257 records associated with the query chlorine. The Unicode character for the element is 氯.

Synthesized by Vinony from 15 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

Chlorine.engvar: en-GB

via Wikipedia infobox

Research

68,257 papers

Chlorine cycling and the fate of Cl in terrestrial environments.ReviewEnvironmental science and pollution research international · 2021Svensson T, Kylin H, Montelius M et al.DOI: 10.1007/s11356-020-12144-6
A systematic review on chlorine tolerance among bacteria and standardization of their assessment protocol in wastewater.Water science and technology : a journal of the International Association on Water Pollution Research · 2022Gupta V, Shekhawat SS, Kulshreshtha NM et al.DOI: 10.2166/wst.2022.206
The Recurring Roles of Chlorine in Synthetic and Biological Studies of the Lissoclimides.ReviewAccounts of chemical research · 2021Pak BS, Supantanapong N, Vanderwal CDDOI: 10.1021/acs.accounts.0c00866
Environmental impacts of the widespread use of chlorine-based disinfectants during the COVID-19 pandemic.ReviewEnvironmental science and pollution research international · 2022Parveen N, Chowdhury S, Goel SDOI: 10.1007/s11356-021-18316-2
In Situ Preparation of Chlorine-Regenerable Antimicrobial Polymer Molecular Sieve Membranes.Molecules (Basel, Switzerland) · 2024Zhang Y, Qian Y, Wen Y et al.DOI: 10.3390/molecules29132980
Comparative analysis of chlorine-resistant bacteria after chlorination and chloramination in drinking water treatment plants.Journal of hazardous materials · 2024Wei Y, Wu H, Zhang X et al.DOI: 10.1016/j.jhazmat.2024.134075
Chlorine decay and disinfection by-products transformation under booster chlorination conditions: A pilot-scale study.The Science of the total environment · 2022Liao P, Zhang T, Fang L et al.DOI: 10.1016/j.scitotenv.2022.158115
UV/chlorine and chlorination of effluent organic matter fractions: Tracing nitrogenous DBPs using FT-ICR mass spectrometry.Water research · 2023Wang Y, Xiang Y, Marques Dos Santos M et al.DOI: 10.1016/j.watres.2023.119646

Wikidata facts

Instance of: lithophile
Subclass of: halogens
Part of: halogens
Named after: green
Mass: 35.45
Image: Chlorine liquid in an ampoule.jpg

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oxidation state: 7
element symbol: Cl
Commons category: Chlorine
topic's main category: Category:Chlorine
atomic number: 17
Commons gallery: Chlorine
ionization energy: 11.48
described by source: Encyclopædia Britannica 11th edition
discoverer or inventor: Carl Wilhelm Scheele
electronegativity: 3
time of discovery or invention: 1774-00-00
different from: dichlorine
electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁵
ionic radius: 0.08
Unicode character: 氯
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4

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