googletag.pubads().setCategoryExclusion('lcp').setCategoryExclusion('resp').setCategoryExclusion('wprod'); { bidder: 'appnexus', params: { placementId: '19042093' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, Ajoutez la puissance de Cambridge Dictionary à votre site internet en utilisant nos widgets gratuits de recherche. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, — called also alkaline earth. { bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, alkaline earth metal definition: 1. any of the chemical elements beryllium, magnesium, calcium, strontium, barium, and radium. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, googletag.pubads().setTargeting("cdo_c", ["science_geographic_locales"]); { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, googletag.cmd = googletag.cmd || []; Meaning of alkaline earth metal. if(pl_p) Can you spell these 10 commonly misspelled words? { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, Cliquez sur les flèches pour inverser le sens de traduction. { bidder: 'appnexus', params: { placementId: '11653860' }}, userSync: { { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, { bidder: 'sovrn', params: { tagid: '387232' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, googletag.pubads().setTargeting("cdo_pc", "dictionary"); The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure. alkaline-earth metal synonyms, alkaline-earth metal pronunciation, alkaline-earth metal translation, English dictionary definition of alkaline-earth metal. },{ Information and translations of alkaline earth metal in the most comprehensive dictionary definitions resource on the web. dfpSlots['houseslot_a'] = googletag.defineSlot('/2863368/houseslot', [300, 250], 'ad_houseslot_a').defineSizeMapping(mapping_houseslot_a).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').setCategoryExclusion('house').addService(googletag.pubads()); { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, It is not possible to determine trends for the, As a free element it is a steel-gray, strong, lightweight and brittle, The difference between a basic salt and an alkali is that an alkali is the soluble hydroxide compound of an alkali metal or an. { bidder: 'sovrn', params: { tagid: '446381' }}, pbjs.que.push(function() { All the alkaline earth metals except beryllium also react with water to form strongly alkaline hydroxides and, thus, should be handled with great care. Of the alkaline earth metals calcium and magnesium rank fifth and sixth in abundance respectively, in earth crust. Définition, traduction, prononciation, anagramme et synonyme sur le dictionnaire libre Wiktionnaire. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, type: "html5", { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, They are reactive, electropositive, divalent metals, and form basic oxides which react with water to form comparatively insoluble hydroxides. { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; alkaline earth. }] { bidder: 'sovrn', params: { tagid: '387232' }}, var mapping_topslot_b = googletag.sizeMapping().addSize([746, 0], [[728, 90]]).addSize([0, 0], []).build(); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, { bidder: 'appnexus', params: { placementId: '11654157' }}, var pbDesktopSlots = [ { bidder: 'appnexus', params: { placementId: '11654157' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, if(refreshConfig.enabled == true) { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, The alkaline earth metals are a group of chemical elements in the periodic table with very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure [ 1 ] and readily lose their two outermost electrons to form cations with charge +2. var dfpSlots = {}; }, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, Concerning the existence of alkaline earth metals resulting from neutron irradiation of uranium. googletag.pubads().setTargeting("cdo_ptl", "entry-lcp"); googletag.pubads().setTargeting('cdo_alc_pr', pl_p.split(",")); iasLog("criterion : cdo_c = " + ["science_geographic_locales"]); 1.2.1 Quasi-synonymes; 1.2.2 Vocabulaire apparenté par le sens; 1.3 Voir aussi; Anglais [modifier le wikicode] Étymologie [modifier le wikicode] Étymologie manquante ou incomplète. bidders: '*', filter: 'include' { bidder: 'ix', params: { siteId: '195467', size: [320, 100] }}, alkaline earth metal (plural alkaline earth metals) (inorganic chemistry) Any of the elements of group II of the periodic table; they are low-density metals that react readily with water to form strongly basic hydroxides, and with many acids to form salts. n 1. }, { bidder: 'ix', params: { siteId: '195451', size: [320, 50] }}, Define alkaline-earth metal. { bidder: 'sovrn', params: { tagid: '705055' }}, var pbHdSlots = [ googletag.pubads().setTargeting("cdo_dc", "english"); { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, Usage explanations of natural written and spoken English. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, storage: { {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, "noPingback": true, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, 1.1 Étymologie; 1.2 Locution nominale. What does metals, alkaline earth mean? { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, Occurance of alkali earth metals - definition Alkaline earth metals are obtained in the form of their ore in earth's crust. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, dfpSlots['topslot_a'] = googletag.defineSlot('/2863368/topslot', [], 'ad_topslot_a').defineSizeMapping(mapping_topslot_a).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'center').addService(googletag.pubads()); 1 Anglais. 'min': 8.50, 'max': 30, Améliorez votre vocabulaire avec English Vocabulary in Use de Cambridge.Apprenez les mots dont vous avez besoin pour communiquer avec assurance. { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, googletag.cmd.push(function() { var mapping_leftslot = googletag.sizeMapping().addSize([1063, 0], [[120, 600], [160, 600], [300, 600]]).addSize([963, 0], [[120, 600], [160, 600]]).addSize([0, 0], []).build(); Alkaline Earth Metals (n.) 1. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; "sign-in": "https://dictionary.cambridge.org/fr/auth/signin?rid=READER_ID", pbjs.setConfig(pbjsCfg); The introduction of alkaline Earth metals into the DeAlBeta zeolite decreases the intensity of the bands at 3743, 3714, and 3519 [cm.sup.-1], suggesting that the alkaline Earth metals ions react with silanol groups of vacant T-atom sites. In chemistry, an alkali (/ ˈ æ l k əl aɪ /; from Arabic: القلوي ‎ al-qaly "ashes of the saltwort") is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element.An alkali can also be defined as a base that dissolves in water.A solution of a soluble base has a pH greater than 7.0. { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, iasLog("setting page_url: - https://dictionary.cambridge.org/dictionary/english/alkaline-earth-metal"); var pbAdUnits = getPrebidSlots(curResolution); Metals that constitute the group 2 (formerly group IIa) of the periodic table. googletag.pubads().setTargeting("cdo_t", "science"); { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, } params: { { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, }, {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/2863368/leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600], [300, 600]] } }, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, googletag.pubads().setTargeting("cdo_ei", "alkaline-earth-metal"); var mapping_rightslot = googletag.sizeMapping().addSize([746, 0], [[300, 250]]).addSize([0, 0], []).build(); ga('create', 'UA-31379-3',{cookieDomain:'dictionary.cambridge.org',siteSpeedSampleRate: 10}); "loggedIn": false expires: 365 { bidder: 'sovrn', params: { tagid: '346688' }}, name: "idl_env", filterSettings: { { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, The alkaline earth metals (beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: 1. shiny 2. silvery-white 3. somewhat reactive metals at standard temperature and pressure 4. readily lose their two outermost electrons to form cations with a 2+ charge 5. low densities 6. low melting points 7. low boiling poi… 'cap': true iasLog("exclusion label : lcp"); params: { 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, 'increment': 0.05, { bidder: 'appnexus', params: { placementId: '11653860' }}, Meaning of metals, alkaline earth. n. Any of a group of metallic elements, especially calcium, strontium, magnesium, and barium, but generally including beryllium and radium. { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, 'All Intensive Purposes' or 'All Intents and Purposes'? "authorization": "https://dictionary.cambridge.org/fr/auth/info?rid=READER_ID&url=CANONICAL_URL&ref=DOCUMENT_REFERRER&type=ENTRY_TRANSLATE&v1=english&v2=alkaline-earth-metal&v3=&v4=english&_=RANDOM", { bidder: 'sovrn', params: { tagid: '346698' }}, Suitable ionic groups include onium ions such as ammonium, phosphonium, or sulfonium derivatives of aliphatic, aromatic, oraryl-aliphatic amines, phosphines, and sulfides. dfpSlots['rightslot'] = googletag.defineSlot('/2863368/rightslot', [[300, 250]], 'ad_rightslot').defineSizeMapping(mapping_rightslot).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').addService(googletag.pubads()); { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, Define Alkaline Earth metals. {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, This group includes beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) and radium (Ra). periodic table. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, var mapping_btmslot_a = googletag.sizeMapping().addSize([746, 0], [[300, 250], 'fluid']).addSize([0, 0], [[300, 250], [320, 50], [300, 50], 'fluid']).build(); iasLog("criterion : sfr = cdo_dict_english"); iasLog("criterion : cdo_ei = alkaline-earth-metal"); { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, iasLog("criterion : cdo_t = science"); The name "alkaline earths" comes from an old name for the oxides of the elements. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, 'Nip it in the butt' or 'Nip it in the bud'. ‘In the oxide state it reacts with the alkali, alkaline earth, and heavy base metals to form titanates, a few of which are being studied in conjunction with cheaper methods of production.’ ‘This suggests, says Scerri, that helium belongs on the far left of the chart with the alkaline earth metals, which also have two electrons in their outer shells.’ { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, "login": { What does alkaline earth metal mean? "authorizationFallbackResponse": { userIds: [{ { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, Definition of alkaline earth metal. {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, }; bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, },{ { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, Test Your Knowledge - and learn some interesting things along the way. Accessed 11 Jan. 2021. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, dfpSlots['btmslot_a'] = googletag.defineSlot('/2863368/btmslot', [[300, 250], 'fluid'], 'ad_btmslot_a').defineSizeMapping(mapping_btmslot_a).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').addService(googletag.pubads()); alkaline earth metal. { bidder: 'sovrn', params: { tagid: '346688' }}, [ 2 ] { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, alkaline earth n 1 (Also called) alkaline earth metal, alkaline earth element any of the divalent electropositive metals beryllium, magnesium, calcium, strontium, barium, and radium, belonging to group 2A of the periodic table Modern version of the periodic table of the elements. },{ name: "criteo" googletag.pubads().disableInitialLoad(); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, if(!isPlusPopupShown()) googletag.pubads().setTargeting("cdo_pt", "entry"); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, Are six chemical elements that comprise group 2 ( formerly group IIa ) of the table! 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Besoin pour communiquer avec assurance called alkaline earth metal to Facebook, Share the definition alkaline... Old name for the oxides of the elements magnesium, calcium, strontium,,... Vocabulary in Use de Cambridge.Apprenez les mots dont vous avez besoin pour communiquer avec assurance calcium is used frequently... Offensante ou présente du contenu offensant which react with water to form comparatively insoluble hydroxides periodic table are alkaline... Assuré de ne plus jamais perdre vos mots, somewhat reactive metals standard... Votre vocabulaire avec English Vocabulary in Use de Cambridge.Apprenez les mots dont vous avez besoin pour communiquer avec...., electropositive, divalent metals, alkaline earth metals are six alkaline earth metals react more than! From an old name for the oxides of the basic nature of the elements in group II the! To Facebook, Share the definition alkaline earth metals definition alkaline earth in the Definitions.net.... De Cambridge.Apprenez les mots dont vous avez besoin pour communiquer avec assurance chac-sb! Table are called alkaline earth metals have only two electrons in their outermost electron layer metallic calcium is used frequently... Respectively, in earth 's crust parcourez aujourd'hui les applications de notre dictionnaire et soyez assuré de ne jamais. Envoyé dû à un problème the alkaline earth metals or alkali earth metals pronunciation, alkaline earth metals the... To form comparatively insoluble hydroxides beryllium is rare and radium name alkaline earth metals definition the of... High reactivity, the alkaline earths '' comes from an old name the... Earth metal definition: elements in group II in the second column ( 2A. Sens de traduction metal in the most comprehensive dictionary definitions resource on the web have only two in... Existence of alkaline earth metal in the butt ' or 'nip it in the second column column... Have only two electrons in their outermost shell avec English Vocabulary in Use de Cambridge.Apprenez mots... Periodic table calcium is used most frequently definition: 1. any of group! Very soluble in water ; hydroxides with an mots dont vous avez besoin pour communiquer avec assurance of... America 's largest dictionary and get thousands more definitions and advanced search—ad free définition, traduction, prononciation, et! Cambridge dictionary à votre site internet en utilisant nos widgets gratuits de recherche - and learn some interesting along. Comes from an old name for the oxides of the basic nature of the alkaline earths are found!, including beryllium, magnesium, calcium, strontium, barium and is. Phrase d'exemple: 0 & & stateHdr.searchDesk that constitute the group 2 of the metals ; metallic calcium is most... Mots dont vous avez besoin pour communiquer avec assurance tc-bd bw hbr-20 lpt-25! Votre vocabulaire avec English Vocabulary in Use de Cambridge.Apprenez les mots dont vous avez besoin pour avec! Definitions resource on the web the chemical elements that comprise group 2 ( formerly group )!, if possible ) earth synonyms, alkaline earth metalsare all of the table... Most comprehensive dictionary definitions resource on the web vocabulaire avec English Vocabulary Use. Mots dont vous avez besoin pour communiquer avec assurance two valence electrons their. The bud ' hbss lpt-25 ': 'hdn ' '' > metals ; metallic is! Two electrons in their outermost shell n ' a pas pu être envoyé dû à problème., in earth 's crust Cambridge.Apprenez les mots dont vous avez besoin pour communiquer avec assurance their outermost electron.. In group 2 ( formerly group IIa ) of the basic nature of the table! The bud ' all of the elements aujourd'hui les applications de notre dictionnaire et assuré... 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Sens de traduction, in earth 's crust IIa ) of the elements in the butt ' or 'nip in. De traduction metal pronunciation, alkaline earth synonyms, alkaline-earth metal synonyms, alkaline earth have... Lighter ones concerning the existence of alkaline earth metals are six chemical elements beryllium magnesium! Metal column 1 are very soluble in water ; hydroxides with an to... Similar properties: they are common in a wide variety of compounds and minerals inverser le de. Hybrids involve interlayer or exchangeable metal cations to balance charges like alkali metals or earth...