Video: Dab tsi alkaline ntiaj teb hlau yog feem ntau reactive nrog dej?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov alkali hlau (Li, Na, K, Rb, Cs, thiab Fr) yog cov feem ntau reactive hlau nyob rau hauv lub sij hawm lub sij hawm - lawv tag nrho cov hnov mob heev los yog txawm explosively nrog txias dej , ua rau muaj kev hloov pauv ntawm hydrogen.
Tsis tas li lo lus nug yog, qhov twg alkali hlau yog feem ntau reactive nrog dej?
Cesium
Kuj Paub, uas alkali hlau reacts tsawg zog nrog dej? Li Li reacts nrog dej tsawg kawg nkaus vim qhov me me thiab siab hydration zog heev.
Ntawm no, puas alkaline ntiaj teb hlau reactive rau dej?
Cov tshuaj tiv thaiv ntawm Alkaline ntiaj teb hlau Tag nrho cov alkaline ntiaj teb hlau muaj ob lub electrons hauv lawv lub plhaub valence, yog li lawv poob ob lub electrons los ua cations nrog 2 + nqi. Nws tsis hnov mob nrog dej los yog chav, thiab nws cov halides yog covalent. Txhua lub tebchaw uas suav nrog beryllium muaj covalent daim ntawv cog lus.
Yuav ua li cas koj paub tias poov tshuaj alkali hlau yog heev reactive?
Potassium yog nyob rau hauv feem ntau reactive pab pawg ntawm cov ntsiab lus, cov alkali hlau , tab sis nws tsis yog feem ntau reactive hlau hauv pawg. Cov alkali hlau , Group 1A, yog cov feem ntau reactive hlau vim lawv muaj ib lub valence los yog sab nraud electron. Lawv poob no electron yooj yim heev, tsim ions nrog tus nqi ntawm +1.
Pom zoo:
Dab tsi yog lub ntiaj teb alkaline hlau nyob rau lub sijhawm 6?
Lub sij hawm 6 lub caij yog ib qho ntawm cov tshuaj nyob rau hauv kab thib rau (lossis lub sij hawm) ntawm lub sij hawm ntawm lub ntsiab lus, suav nrog cov lanthanides. Atomic yam ntxwv. Chemical element 56 Ba Barium Chemical series Alkaline earth metal Electron configuration [Xe] 6s2
Vim li cas alkali thiab alkaline ntiaj teb hlau yog ntau reactive?
Vim li cas alkaline ntiaj teb hlau tsis tshua muaj zog dua li alkali hlau? A: Nws yuav siv zog ntau dua los tshem tawm ob lub valence electrons los ntawm ib lub atom tshaj li ib lub valence electron. Qhov no ua rau alkaline ntiaj teb hlau nrog lawv ob lub valence electrons tsawg reactive dua alkali hlau nrog lawv ib valence electron
Dab tsi yog alkaline ntiaj teb hlau siv rau?
Kev siv cov Alkaline Ntiaj Teb Cov Khoom Txij li magnesium hlawv ci ntsa iab, nws yog siv rau hauv cov nplaim taws thiab cov foob pob hluav taws. Magnesium alloys nrog aluminium muab lub teeb yuag thiab cov ntaub ntawv ruaj khov rau cov dav hlau, cuaj luaj, thiab foob pob hluav taws. Ntau cov tshuaj antacids siv magnesium hydroxide los ua kom cov kua qaub ntau hauv plab
Puas yog alkali hlau thiab alkaline ntiaj teb hlau zoo ib yam?
Valance: Tag nrho cov alkali hlau muaj ib qho hluav taws xob nyob rau hauv lawv lub plhaub sab nraud thiab tag nrho cov alkaline ntiaj teb hlau muaj ob sab electrons. Yuav kom ua tiav cov kev teeb tsa muaj txiaj ntsig zoo, cov hlau alkali yuav tsum poob ib lub tshuab hluav taws xob (valence yog "ib"), thaum alkaline ntiaj teb hlau yuav tsum tshem tawm ob lub electrons (valence yog "ob")
Dab tsi ntawm cov hlau hauv qab no yog alkaline ntiaj teb hlau?
Cov tswv cuab ntawm alkaline ntiaj teb hlau muaj xws li: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) thiab radium (Ra). Ib yam li txhua tsev neeg, cov ntsiab lus no qhia qhov zoo. Txawm hais tias tsis zoo li cov hlau alkali, tsev neeg no paub yuav ua li cas ua cov ntawv cog lus yooj yim heev