Cov txheej txheem:

Ob hom khoom ntshiab yog dab tsi?
Ob hom khoom ntshiab yog dab tsi?

Video: Ob hom khoom ntshiab yog dab tsi?

Video: Ob hom khoom ntshiab yog dab tsi?
Video: lub hom phiaj loj tshaj plaws ntawm kev ntseeg yog dab tsi 2024, Hlis ntuj nqeg
Anonim

Muaj ob hom tshuaj ntshiab uas yog Elementsand Compounds. Piv txwv ntawm cov ntsiab lus yog: Hlau , Nyiaj, Kub , Mercury thiab lwm yam.

Yog li ntawd, dab tsi yog 2 yam khoom ntshiab?

Nov yog cov piv txwv ntawm cov khoom ntshiab

  • Piv txwv ntawm cov khoom ntshiab muaj xws li tin, sulfur, pob zeb diamond, dej, ntshiab qab zib (sucrose), ntsev ntsev (sodium chloride) thiab ci dej qab zib (sodium bicarbonate).
  • Tin, sulfur, thiab pob zeb diamond yog cov piv txwv ntawm cov khoom ntshiab uas yog cov tshuaj lom neeg.

Tsis tas li ntawd, cov khoom sib txawv yog dab tsi? Hom Tshuaj Tshuaj yeej muab faib ua ob hom . Lawv yog: Ntshiab Tshuaj : Cov tshuaj uas yog dawb los ntawm txhua yam sib tov thiab muaj tsuas yog ib hom particle yog ntshiab tshuaj . Piv txwv ntawm ntshiab tshuaj muaj xws li hlau, txhuas, nyiaj, thiab kub.

Ib yam li ntawd, tej zaum koj yuav nug, qhov txawv ntawm ob hom tshuaj dawb huv yog dab tsi?

A cov khoom ntshiab muaj qhov sib xyaw ua ke tas li thiab tsis tuaj yeem muab cais ua yooj yim tshuaj los ntawm lub cev. Muaj ob hom tshuaj ntshiab : Elements and Compounds. Cov ntsiab lus: yog cov khoom ntshiab ua los ntawm l hom ntawm atom. Ib qho kev sib tov yog tsim los ntawm ntau tshaj ib lub ntsiab lus.

Dab tsi cais cov khoom ntshiab?

Cov tshuaj ntshiab . A cov khoom ntshiab muaj adefinite thiab tas li muaj pes tsawg leeg - zoo li ntsev los yog qab zib. A cov khoom ntshiab tuaj yeem yog ib qho khoom siv lossis cov khoom sib xyaw, tab sis muaj pes tsawg leeg ntawm a cov khoom ntshiab tsis tvary.

Pom zoo: