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Puas yog cov tshuaj dawb huv?

Cov txheej txheem:

Puas yog cov tshuaj dawb huv?
Puas yog cov tshuaj dawb huv?

Video: Puas yog cov tshuaj dawb huv?

Video: Puas yog cov tshuaj dawb huv?
Video: Da Vang - Puas Yog Nyuab2 Koj (nkauj tawm tshiab 2021) 2024, Tej zaum
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Ostensibly, cov tebchaw muaj ntau tshaj ib hom khoom. Txawm li cas los xij ob lub tebchaw thiab cov ntsiab lus suav tias yog cov tshuaj dawb huvCov tshuaj ntshiab yog tsim thaum cov khoom sib xyaw ua ke mus tas li, tsim ib yam khoom. … Feem ntau, kev sib xyaw ua ke tuaj yeem sib cais rau hauv nws cov khoom qub, thaum lub ntsiab lus ntshiab tsis tuaj yeem.

Puas yog cov tshuaj dawb huv muaj los tsis yog?

A compound is a pure substance muaj li ntawm ob los yog ntau tshaj atoms chemically bonded rau ib leeg. Ib qho chaw tuaj yeem raug rhuav tshem los ntawm kev siv tshuaj lom neeg. Tej zaum nws yuav tawg mus rau hauv cov tebchaw yooj yim, rau hauv nws cov ntsiab lus lossis kev sib xyaw ntawm ob.

Puas yog ib qho tshuaj dawb huv Vim li cas ho tsis?

Ib qho tshuaj lom neeg yog suav tias yog cov khoom ntshiab. Qhov no yog vim txhua molecule ntawm cov tshuaj compound muaj tib yam tshuaj formula.

Puas yog cov khoom sib xyaw lossis cov khoom ntshiab?

Kev sib xyaw yog kev sib xyaw ntawm lub cev ntawm ob lossis ntau lub ntsiab lus thiab / lossis cov khoom sib txuas. Cov khoom sib xyaw tuaj yeem faib ua homogeneous lossis heterogeneous. Cov ntsiab lus thiab cov tebchaw yog ob qho piv txwv ntawm cov tshuaj ntshiabCov khoom sib xyaw yog cov khoom uas tsim los ntawm ntau tshaj ib hom atom.

Puas piv piv txwv ntawm cov tshuaj ntshiab?

Ib yam khoom ntshiab yog ib qho ntawm cov teeb meem uas muaj qhov sib xyaw ua ke thiab cov khoom uas tsis tu ncua thoob plaws hauv cov qauv. … Elements and compounds yog ob qho piv txwv ntawm cov khoom ntshiab. Cov tshuaj yog cov khoom uas tsim los ntawm ntau tshaj ib hom atom.

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