Dab tsi yog qhov ci ntsa iab uas ua hluav taws xob thiab cua sov?
Dab tsi yog qhov ci ntsa iab uas ua hluav taws xob thiab cua sov?

Video: Dab tsi yog qhov ci ntsa iab uas ua hluav taws xob thiab cua sov?

Video: Dab tsi yog qhov ci ntsa iab uas ua hluav taws xob thiab cua sov?
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Electron - Ib qho subatomic particle uas muaj qhov tsis zoo

Hlau - Ib keeb uas yog ci iab thiab ua cua sov thiab hluav taws xob zoo.

Ua li no, yam khoom twg ci ntsa iab thiab tsis ua hluav taws xob?

Lub npe yog tias cov khoom no yog a hlau , nonmetal, los yog metalloid: Ib yam khoom yog nkig, ci, tsis hnov mob nrog acid, thiab tsis ua hluav taws xob. Nonmetal (nkig, tsis hnov mob nrog cov kua qaub, thiab tsis ua hluav taws xob yog qhov tseem ceeb ntawm nonmetal).

Ib tug kuj yuav nug, pab pawg twg ntawm lub rooj noj mov muaj cov tshuaj uas ci ntsa iab thiab ua hluav taws xob? Alkaline hlau feem ntau yog ci iab khov uas kev coj cua sov los yog hluav taws xob thiab tuaj yeem tsim ua cov ntawv. Transition metals yog cov cov ntsiab lus nyob nruab nrab ntawm cov daim ntawv qhia hnub . Cov no cov ntsiab lus , cais raws li "kev hloov pauv hlau", tuaj yeem pom hauv pab pawg 3 mus rau 12 lub hlis daim ntawv qhia hnub.

Hais txog qhov no, lub ntsiab lus twg yog qhov tsis zoo ntawm cov cua sov?

Lead yog cov neeg ua haujlwm tsis zoo tshaj plaws ntawm cov cua sov. Bismuth, mercury thiab hlau kuj yog cov conductors tsis zoo.

Lub ntsiab lus twg yog khoom nyob rau hauv chav tsev kub thiab ib tug zoo conductor ntawm tshav kub thiab hluav taws xob?

8th Qib Science Unit 5. Ch. 15 Lub Sijhawm Teev Taw. Glencoe/McGraw-Hill. Xyoo 2005.

A B
Hlau. cov khoom uas muaj luster, yog malleable, ductile, thiab ib tug zoo conductor ntawm tshav kub thiab hluav taws xob.
Nonmetals. cov khoom uas feem ntau yog cov roj los yog cov khoom tawg ntawm chav tsev kub thiab yog ib qho tsis zoo ntawm cov cua sov thiab hluav taws xob.

Pom zoo: