Cov pab pawg twg ua lithium thiab potassium?
Cov pab pawg twg ua lithium thiab potassium?

Video: Cov pab pawg twg ua lithium thiab potassium?

Video: Cov pab pawg twg ua lithium thiab potassium?
Video: Kev cai hla dhau thiab kev txiav tawv yog dab tsi. 2024, Kaum ib hlis
Anonim

Cov Pab pawg 1 cov ntsiab lus nyob rau hauv lub rooj zaum yog lub npe hu ua alkali hlau. Lawv suav nrog lithium , sodium thiab poov tshuaj , uas txhua tus hnov mob nrog dej los tsim cov tshuaj alkaline.

Ib yam li ntawd, nws raug nug, pab pawg twg ua fluorine thiab chlorine koom nrog?

Cov halogens nyob rau sab laug ntawm lub noble gaseson lub sij hawm lub rooj. Cov tsib tshuaj lom, tsis yog xim hlau pleev xim Pab pawg 17 ntawm lub sij hawm lub sij hawm thiab muaj xws li: tshuaj fluorine (F), tshuaj chlorine (Cl), bromine (Br), iodine (I), thiab astatine (At).

Kuj Paub, nyob rau hauv dab tsi pab pawg neeg ntawm lub sij hawm lub sij hawm puas poov tshuaj? Cov hlau alkali yog rau cov tshuaj lom neeg hauv Pab pawg 1, sab laug sab hauv lub daim ntawv qhia hnub Lawv yog lithium (Li), sodium (Na), poov tshuaj (K), rubidium (Rb), cesium (Cs), thiab francium (Fr).

Ntawm no, pab pawg twg lithium koom nrog?

Lithium yog ib tug mos, silvery-dawb, hlau thatheads pab pawg 1, alkali hlau pab pawg , ntawm lub sij hawm lub rooj ntawm lub ntsiab. Nws reacts vigorously nrog dej. Storing nws yog ib qho teeb meem. Nws tsis tuaj yeem khaws cia hauv qab roj, raws li sodiumcan, vim tias nws tsis tshua ntom thiab ntab.

Dab tsi yog sodium pawg?

Sodium yog ib tug tswv cuab ntawm alkali hlau tsev neeg . Cov alkali tsev neeg muaj cov ntsiab lus hauv Pab pawg 1 (IA) of the periodic table. Lub sij hawm lub sij hawm yog achart uas qhia tau hais tias cov tshuaj muaj feem xyuam rau ib leeg. Lwm yam Pab pawg 1 (IA) cov ntsiab lus yog lithium, potassium, rubidium, cesium, thiab francium.

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