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* {{enPR|hălʹə-jən|hāʹlə-jən}}
* {{IPA|en|/ˈhæl.ə.d͡ʒən/|/ˈheɪ.lə.d͡ʒən/}}
* {{audio|en|LL-Q1860 (eng)-Vealhurl-halogen.wav|Audio (a=Southern England)}}
 
===Noun===
{{en-noun}}
 
# {{lb|en|(''[[chemistry}}]]'') Any [[element]] of group 17, i.e. [[fluorine]], [[chlorine]], [[bromine]], [[iodine]], [[astatine]] and [[tennessine]].
# A [[light fixture]] in which the [[filament]] is surrounded by an atmosphere of a halogen gas.
 
====Usage notes====
* When the term was coined, all known group 17 elements formed salts on reaction with a metal. This may not be true for the recently discovered [[superheavy element]] tennessine, though experiments cannot yet be carried out because of its short lifetime and the difficulty of manufacturing it. Chemists usually include tennessine as a halogen to extend the term to all of group 17, though those specialisingspecializing in the chemistry of superheavy elements may exclude it.
 
====Derived terms====
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* Chinese:
*: Cantonese: {{t|yue|鹵素|tr=lou5 sou3}}, {{t|yue|鹵族|tr=lou5 zuk6}} {{qualifier|group}}
*: MinEastern DongMin: {{t|cdo|鹵素|tr=lū-só}}▼
*: Min NanHokkien: {{t|nan-hbl|鹵素|tr=ló͘-sò͘}}▼
*: Mandarin: {{t+|cmn|鹵素|tr=lǔsù}}, {{t+|cmn|鹵族|tr=lǔzú}} {{qualifier|group}}
▲*: Min Dong: {{t|cdo|鹵素|tr=lū-só}}
▲*: Min Nan: {{t|nan|鹵素|tr=ló͘-sò͘}}
* Czech: {{t|cs|halogen|m}}
* Dutch: {{t+|nl|halogeen|n}}
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* Spanish: {{t+|es|halógeno|m}}
* Thai: {{t|th|แฮโลเจน}}
* Turkish: {{t+|tr|halojen}}
* Ukrainian: {{t|uk|галоґе́н|m}}, {{t|uk|галоге́н|m}}
* Vietnamese: {{t-needed|vi|halôgen}}
{{trans-bottom}}
 
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===Further reading===
* {{pedia}}
[[Category:{{C|en:|Halogens|Light sources|Types of chemical element]]}}▼
 
▲[[Category:en:Types of chemical element]]
{{C|en|Halogens}}
 
==Catalan==
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====Declension====
{{rfinfl|cs-ndecl|nounm}}
 
===Further reading===
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===Pronunciation===
* {{a|cy-N}} {{IPA|cy|/haˈlɔɡɛn/|a=cy-N}}
* {{a|cy-S}} {{IPA|cy|/haˈloːɡɛn/|/haˈlɔɡɛn/|a=cy-S}}
* {{rhymes|cy|ɔɡɛn|s=3}}
 
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{{cy-noun|m|halogenau}}
 
# {{lb|cy|chemistry}} [[halogen#English{{l|en|halogen]]}}
#* '''1937''', R. O. Davies, ''Elfennau Cemeg'' (''Elements of Chemistry''), University of Wales Press:
#*: {{quote|cy|''{{l|cy|[[elfen#Welsh|Elfen]]}} arall yn perthyn i deulu’r '''halogenau''' yw {{l|cy|fflworin#Welsh|ffluorin}}.''
|translation="Another element belonging to the '''halogen''' family is fluorine."}}
 
====Related terms====
Retrieved from "https://en.wiktionary.org/wiki/halogen"