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H HeLi Be B C N O F NeNa Mg Al Si P S Cl ArK Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br KrRb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I XeCs Ba Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At RnFr Ra Rf Db Sg Bh Hs Mt Ds Rg Cn Uut Fl Uup Uuh Uus Uuo La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No LrPershij period periodichnoyi sistemi Do pershogo periodu periodichnoyi sistemi vidnosyatsya elementi pershogo ryadka abo pershogo periodu periodichnoyi sistemi himichnih elementiv Usi atomi pershogo periodu periodichnoyi sistemi mayut odnu elektronnu obolonku i cya elektronna obolonka mozhe buti zajnyata maksimalno 2 elektronami Tomu do pershogo periodu periodichnoyi sistemi nalezhat lishe dva elementi Budova periodichnoyi tablici zasnovana na ryadkah dlya ilyustraciyi povtoryuvanih periodichnih trendiv u himichnih vlastivostyah elementiv pri zbilshenni atomnogo nomera novij ryadok pochinayetsya todi koli himichni vlastivosti povtoryuyutsya sho oznachaye popadannya elementiv z analogichnimi vlastivostyami u toj zhe vertikalnij stovpec Pershij period mistit najmenshe elementiv yih vsogo dva voden i gelij u porivnyanni z inshimi ryadkami tablici Otzhe dane polozhennya poyasnyuyetsya suchasnoyu teoriyeyu budovi atoma Zmist 1 Elementi 1 1 Voden 1 2 Gelij 2 Primitki 3 Posilannya 4 DzherelaElementi RedaguvatiHimichnij element Grupa Elektronna konfiguraciya1 H Voden Nemetal 1s12 He Gelij Inertnij gaz 1s2Voden Redaguvati Dokladnishe Voden Vodneva spektralna rozryadna trubka Dejteriyeva spektralna rozryadna trubkaVoden N ye himichnim elementom z atomnim nomerom 1 Pri normalnij temperaturi i tisku voden yavlyaye soboyu legkozajmistij dvoatomnij gaz bez koloru zapahu i smaku nemetal z molekulyarnoyu formuloyu H2 Voden ye najlegshim elementom z atomnoyu masoyu 1 00794 a e m 1 Voden ye rozpovsyudzhenim himichnim elementom Vin stanovit priblizno 75 masi vsih elementiv u Vsesviti 2 Zirki u golovnij poslidovnosti v osnovnomu skladayutsya z vodnyu u stani plazmi U chistomu viglyadi voden dosit ridko zustrichayetsya na Zemli tomu u promislovih masshtabah vin viroblyayetsya z takih vuglevodeniv yak metan Bilshist chistogo vodnyu vikoristovuyetsya negajno mayetsya na uvazi lokalno na virobnichomu majdanchiku najbilshimi majzhe rivnimi rinkami ye pererobka vikopnogo paliva napriklad gidrokreking i virobnictvo amiaku v osnovnomu dlya rinku dobriv Voden mozhna otrimati takozh z vodi za dopomogoyu procesu elektrolizu ale pri comu virobnictvo vodnyu vihodit komercijno znachno dorozhche nizh z prirodnogo gazu 3 Najbilsh poshirenij izotop vodnyu prirodnogo pohodzhennya vidomij yak protij maye odin proton i ne maye zhodnogo nejtronu 4 Takozh vidomi izotopi vodnyu z odnim nejtronom ta odnim protonom dejterij ta dvoma nejtronami i odnim protonom tritij U jonnih spolukah voden mozhe abo nabuti pozitivnij zaryad stavshi kationom vtrativshi elektron abo nabuti negativnij zaryad stavshi anionom Aninon vodnyu nazivayut gidridom Voden mozhe vstupati u z yednannya z bilshistyu elementiv vin prisutnij u vodi i u bilshosti organichnih rechovin 5 Vin graye osoblivo vazhlivu rol u himiyi kislot i osnov u yakij bagato reakcij yavlyayut soboyu obmin protonami mizh molekulami rozchinu 6 Oskilki tilki dlya nejtralnogo atoma rivnyannya Shredingera mozhe buti virisheno analitichno vivchennya energetiki ta spektru atoma vodnyu vidigraye klyuchovu rol u rozvitku kvantovoyi mehaniki 7 Vzayemodiya vodnyu z riznimi metalami duzha vazhliva u metalurgiyi oskilki bagato metaliv zaznayut vodneve roztriskuvannya 8 sho robit virishennya zadachi bezpechnogo zberigannya vodnyu i jogo vikoristannya yak paliva aktualnim 9 Voden maye vlastivist dobre rozchinyatis u bagatoh z yednannyah ridkozemelnih ta perehidnih metalah 10 pri comu vin mozhe rozchinyatisya yak u kristalichnih tak i v amorfnih metalah Rozchinnist vodnyu zminyuyetsya pri nayavnosti lokalnih poshkodzhen kristalichnoyi reshitki metalu abo pri nayavnosti domishok 11 Gelij Redaguvati Dokladnishe Gelij Geliyeva spektralna rozryadna trubkaGelij He ye odnoatomnim inertnim himichnim elementom z atomnim nomerom 2 bez koloru smaku i zapahu netoksichnim sho znahoditsya na pochatku grupi blagorodnih gaziv v periodichnij tablici 12 Jogo temperatura kipinnya i plavlennya ye najnizhchimi sered vsih elementiv vin isnuye tilki u viglyadi gazu za vinyatkom ekstremalnih umov 13 Gelij buv vidkritij v 1868 roci francuzkim astronomom P yerom Zhansenom yakij pershim viyaviv cej element po nayavnosti nevidomoyi ranishe zhovtoyi spektralnoyi liniyi sonyachnogo svitla pid chas sonyachnogo zatemnennya 14 U 1903 roci veliki zapasi geliyu buli znajdeni u rodovishi prirodnogo gazu v SShA na sogodni cya krayina ye najbilshim postachalnikom cogo gazu 15 Gelij vikoristovuyetsya v kriogennij tehnici 16 u sistemah glibokovodnogo dihannya 17 dlya oholodzhennya nadprovidnih magnitiv u geliyevomu datuvanni 18 dlya naduvannya povitryanih kulok 19 dlya pidjomu dirizhabliv 20 i yak zahisnij gaz dlya promislovih cilej takih yak elektrozvaryuvannya i viroshuvannya kremniyevih plastin 21 Vdihayuchi nevelikij obsyag gazu mozhna na chas zminiti tembr i yakist lyudskogo golosu 22 Povedinka ridkogo geliyu 4 u dvoh ridkih fazah gelij I i gelij II maye vazhlive znachennya dlya doslidnikiv yaki vivchayut kvantovu mehaniku i yavisha nadplinnosti zokrema 23 a takozh dlya tih hto doslidzhuye efekti pri temperaturah blizkih do absolyutnogo nulya napriklad nadprovidnist 24 Gelij ye drugim za legkistyu elementom i drugim za poshirenistyu u Vsesviti sho mi bachimo 25 Bilshist geliyu utvorilosya pid chas Velikogo vibuhu ale i novij gelij postijno stvoryuyetsya u rezultati zlittya yader vodnyu useredini zirok 26 Na Zemli gelij vidnosno ridko zustrichayetsya vin utvoryuyetsya u rezultati prirodnogo rozpadu deyakih radioaktivnih elementiv 27 tomu sho alfa chastinki yaki pri comu vipuskayutsya skladayutsya z yader geliyu Cej radiogennij gelij ye skladovoyu chastinoyu prirodnogo gazu v koncentraciyah do semi vidsotkiv obsyagu 28 z yakogo vin vidobuvayetsya u komercijnih masshtabah u procesi nizkotemperaturnoyi separaciyi tak zvanoyi frakcijnoyi distilyaciyi 29 U tradicijnomu zobrazhenni periodichnoyi tablici gelij znahoditsya nad neonom sho vidobrazhaye jogo status blagorodnogo gazu prote inodi yak napriklad u tablici Mendelyeyeva Dzhanet vin znahoditsya nad beriliyem sho vidobrazhaye budovu jogo elektronnoyi konfiguraciyi Primitki Redaguvati Hydrogen Energy Energy Information Administration Arhiv originalu za 5 lyutogo 2009 Procitovano 24 sichnya 2013 Palmer David 13 listopada 1997 Hydrogen in the Universe NASA Arhiv originalu za 29 zhovtnya 2014 Procitovano 24 sichnya 2013 Staff 2007 Hydrogen Basics Production Florida Solar Energy Center Arhiv originalu za 22 zhovtnya 2018 Procitovano 24 sichnya 2013 Sullivan Walter 11 bereznya 1971 Fusion Power Is Still Facing Formidable Difficulties The New York Times hydrogen Encyclopaedia Britannica 2008 Eustis S N Radisic D Bowen KH Bachorz RA 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